filament of electric bulb is made up of silver

Electric current is measured by a device called, 7. Found inside – Page 16Electric Current: The rate of flow of charge i.e. amount of charge flowing per second is called ... 2 Ans. (i) Tungsten is used to make filament of bulbs. it is generally made of glass with inert gases filled in it (Nitrogen and argon). The bulb is made of a high-temperature-resistant quartz that surrounds a tungsten filament. Join The Discussion. When electric current flows through a conductor, the conductor becomes, 20. Electric bulb: It is an electric device which converts electric energy into heat and light energy. Great question - I used to work for a company that used to get through thousands of lamps a year. One day the Managing Director came down to ask wh... Write down three good reasons why a bulb might not work when you fit … Coils of heating devices are made up of, (d) Electro-chemical effect of electric current, ► (c) Magnetic effect of electric current, 11. Found inside – Page 219Why is tungsten used exclusively for making filaments of electric bulbs? ... German silver is used to make decorative articles, coinage metal, ornaments, ... Found inside – Page 76Why is tungsten used exclusively for making filaments of electric bulbs? neodymium ... German silver is used to make decorative articles, coinage metal, ... Answer: Chapter 23: Electric field - Question with Answer, Engineering, Semester, RD Sharma Solutions for Class 7 Mathematics. The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten Description : The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten Answer : … You can study other questions, MCQs, videos and tests for Class 10 on EduRev and even discuss your questions like Found inside – Page 277Electric bulb : Filament of electric bulb is made up of tungsten. So, most of the power consumed by the filament is dissipated in the form of heat and a ... There are a few reasons as to why this became the material of choice for these bulbs… Combining classic style with modern reliability and energy savings with Feit Electric LED Filament Light Bulbs. If the answer is not available please wait for a while and a community member will probably answer this When a light bulb connects to anelectrical power supply, anelectrical current flows from one metal contact to the other. The Filamental is a community-created cosmetic item for the Pyro. Answer. tungsten is ductile, is malleable, and has a high luster. C) and becomes incandescent (i.e., emits light at a high temperature) at 2400 K. Because of very high melting point tungsten doesn't melt. The temperature of the electric lamps is extremely high. Electric current is said to pass through a wire when, (d) Both electron and neutron pass through it. As the current travels through the wires and the filament, the filament heats up to the point where it begins to emit photons, which are small packets of visible light.. Click here to know more about it. Tungsten wire is wound on either on iron or molybdenum mandrel to make coil filament. iron. Decrease (reduce) the electrical energy, make bulbs dimmer. The filament is made of tungsten which has a very high melting point. Due to this property it is used in making filaments of the bulbs. Electric heaters used for cooking have the filament or the heating coil on a plate made up of clay because (a) Clay can be mould in any shape (b) Clay is a bad conductor of electricity ... Silver . Found inside – Page 2A Survey of the Production of Incandescent Electric Lamps and Glass Bulbs in the ... the basic features of all incandescent electric lamps made today . Found insideManyof theelements oftheelectric light system he came up with were based on his workon the telegraph and the phonograph. He made loads of mistakes and ... Comment * Related Questions on General Science. With the halogen added to the bulb, the tungsten filament is capable of withstanding higher temperatures than that of conventional sealed-beam lamps. Found inside – Page 103For example: Copper, silver, aluminium, etc. ... Components of electric bulb (i) Filament of bulb is made of metal called tungsten. (ii) The filament is ... Part of solved Chemistry questions and answers : >> General Science >> Chemistry. Filament of an electric lamp is made of tungsten as it does not easily at high temperature a bulb is fulled of gases initrogen and argan to providing the … Found inside – Page 108Tungsten is used for the filaments in light bulbs because it does not allow ... The filament gets extremely hot but usually takes a long time to burn out . Answers: 1 on a question: Metals are used in many products because of the characteristic properties that most metals share. are solved by group of students and teacher of Class 10, which is also the largest student 3. The characteristics of current electricity are opposite to those of static electricity. If you ever have to replace a bulb, make sure to use the right number of watts for the replacement. (i) A wire made of tungsten is used for filament of electric bulb because it has a high melting point and high resistivity. (ii) A nichrome wire is used as a heating element for a room heater because the resistivity of nichrome is high and increase in its value with increase in temperature is high. Electric bulbs have a filament made of tungsten while the filaments of electric iron, electric heaters, geysers, toasters are made of nichrome. The thin wire in the bulb which emits light is called filament of the bulb. It is made up of tungsten metal. It has high resistance for current and has high melting point. It does not get oxidised even at very high temperature. The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a filament. Chemistry Questions & Answers for Bank Exams : ..... is the metal used for making filaments of electric bulbs. When a bulb gets fused, it does not light up. If you are mainly looking for 2021newest Led Filament Bulb and Led Filament Bulb factory, Here you will find all the options you can ever have imagined. Found inside86 What are the filaments in an electric bulb made of ? ... This metal has a shiny silver color and has a particularly high boiling point : Tungsten melts ... The answer is tungsten because it has High melting point. Found inside – Page 1042H . B. Filaments for use in electric lamps , furnaces , or other apparatus . ... For example , powdered tungsten is mixed with colloidal silver , the pasty ... Filament of electric bulb is made up of (a) Nichrome (b) Tungsten (c) Silver (d) Copper (b) Tungsten. (d) the cell, bulb and wires make an open circuit. Tungsten is almost exclusively used in filaments of bulbs. Thanks for the question. B) nichrome. Fuse wire is used in electric circuit to prevent. She observed that the bulb glows. Light in the incandescent bulb is produced by heating up of the filament. For this current needs to be passed through high electrical resistance ma... An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be – ... prolong the life of filament of the electric bulb. A. The bulbinside a torch has a filament. which properties of the metal tungsten make it useful in the thin, glowing filaments of light bulbs? Found inside – Page 202The bulb emits light and also gives out heat. 2. ... Use of Nichrome for coils in heaters and of tungsten for filament in electric bulbs is made since these ... The resistance of its filament is . (a) It makes it easier to draw the circuit diagrams, (b) It is essential to draw the circuit diagrams, (c) It helps to show the direction of flow of current in a circuit, ► (a) It makes it easier to draw the circuit diagrams, 16. View MCQ-UTILIZATION OF ELECTRICAL ENERGY -PART 2.docx from COMP 1423 at University of Massachusetts, Amherst. Eventually the filament gets so hot that it glows, producing light. Answers of Can you explain the answer of this question below:Filament of electric bulb is made up ofA:NichromeB:TungstenC:SilverD:CopperThe answer is B. are solved by group of students and teacher of Class 7, which is also the largest student soon. When electric current flows through a conductor, the conductor becomes (a) liquid (b) vapour (c) hot (d) cold (c) hot. D None of the above. Tungsten is mostly used in miniature lamp. Found inside – Page F-104Tungsten is used for making electric filaments in bulbs. The electric wires are made up of aluminium and copper because they are good conductors of ... The Questions and hence Tungsten is the right answer. The filament is the part of the light bulb that produces light. Electric Fuses : Electric fuse is a safety device used in electrical circuits. 14.4. Can you explain the answer of this question below:Filament of electric bulb is made up ofA:NichromeB:TungstenC:SilverD:CopperThe answer is B. over here on EduRev! Resistivity does not depend on l and A but on nature of material of which substance is made of. Most questions were PYQs of CDS, NDA and AFCAT papers. (i) Electric bulbs are usually filled with chemically inactive gases like nitrogen and argon because these gases do not react with the hot tungsten filament and hence prolong the life of filament of the electric bulb. This works because thermal radiation is emitted because of the object's temperature. Ans. 7. how many ppl died while making the statue. Also know, should the heating element of an electric iron be made of iron Silver or Nichrome wire justify giving three reason? 8. Option: [C] ← Go To First Question. Answer: (a) the cell, bulb and the wires make … ... how did edison make the electric light bulb possible. Sausalito 2-Light Silver Gold Flush Mount Whether your home is traditional, transitional Whether your home is traditional, transitional or contemporary, the Sausalito collection from Troy Lighting will enhance your decor. (a) Tungsten is used as filament in electric bulbs. The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a filament. So it cannot displace zinc from its solution. What material would make the best light bulb filament? View Answer. This is because silver has the lowest value of resistivity. All the questions are important for exams. A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Found inside – Page 153The amount of current that will pass through a bar of material is proportional to the electrical conductivity of the material making up the bar. Fused bulb: If the filament of the bulb is broken, the circuit is not corhpleted and hence the current cannot flow. An electric gadget to break the electric circuit. Question 1. Found inside – Page 131In the small regulator's use is made of German silver wire , These filaments are drawn through diamond dies and the lamps containing them are now available ... Paheli set up an experiment using liquid A in the beaker as shown in Fig. Found inside – Page 73(d) None of the above The filament of electric bulb is made up of: 12. ... 2014) (a) (c) Silver (d) Platinum Always goes from the positive terminal to 4. Its symbol is ‘W’ because of its scientific name ‘Wolfram’ and its and the atomic number 74. Tungsten metal is used to make the filament of electric bulb. why type of metal made up the skeletal framework supportingthe sttatue. Should be made of nichrome wire because resistivity of nichrome is high. Filaments of the light bulbs are made up of the Tungsten element. Coiled filament were not yet possible, so the filament consisted of several long loops connected in series, supported by the elaborate wire structure in the center. Found inside – Page 435Zia has been suggested by doctor to avoid blue light to her eyes which is ... The bulb filaments are made up of strong metal with a high melting point of ... Chemistry Questions & Answers for Bank Exams : ..... is the metal used for making filaments of electric bulbs. Sausalito 3-Light Silver Gold Semi-Flush Mount Whether your home is traditional, transitional Whether your home is traditional, transitional or contemporary, the Sausalito collection from Troy Lighting will enhance your decor. Because tungsten metal's melting point is very high .and electric lamp needed high melting point yo glow.that is why filament of a electric bulb is made up of tungsten. (b) there is a gap in the electrical path. Found inside – Page 277Electric bulb : Filament of electric bulb is made up of tungsten. So, most of the power consumed by the filament is dissipated in the form of heat and a ... Oh no, that robot is a ghost! This discussion on Explain, why the filament of electric lamp is made of tungsten? The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a filament. Filament of electric bulb is made up of, 13. Light Bulbs Etc. Q.15) In which case bulb … Question bank for Class 7. (a) Riding bicycle (b) Running pump (c) Driving car (d) Watching television 1. An alloy used to make filaments of a bulb. In a cell, chemicals are used to produce potential difference. Copper. In short, bulb filament material has to withstand higher operating temperature and it has to accommodate high expansion & contraction during heatin... Explain why does a bulb light up when it is switched on. Found inside – Page 28In an incandescent electric bulb, the filament of the bulb is made up of which metal? (a) Aluminium (b) Copper (c) Tungsten (d) Silver Ê (c) In an ... (c) Copper is less reactive than zinc. Muscle: Sliding Filament Theory & Contractile Proteins, Information & Computer Technology (Class 10) - Notes & Video, Social Science Class 10 - Model Test Papers, Social Science Class 10 - Model Test Papers in Hindi, English Grammar (Communicative) Interact In English Class 10, Class 10 Biology Solutions By Lakhmir Singh & Manjit Kaur, Class 10 Physics Solutions By Lakhmir Singh & Manjit Kaur, Class 10 Chemistry Solutions By Lakhmir Singh & Manjit Kaur, Class 10 Physics, Chemistry & Biology Tips & Tricks. Uses of different material. Found inside – Page 188Photosynthesis Light energy is absorbed by green plants to make food ... The filament of an electric light bulb illustrates the heating effect of a current ... 1.5k+ 30.5k+ An electric bulb is rated 60 W , 220 V . yes tungsten is right. The filament of an electric bulb is made up of tungsten metal because it has very high resistance and very high melting point. 5. Found inside – Page 24Air is a/an Acompound B element C electrolyte D mixture Answer: A Answer: D Explanation: Incandescent light bulbs consist of an airtight glass enclosure ... Find the amount of electric charge that flows through the circuit. Light Bulbs & Tubes Wholesale Light Bulbs & Tubes Lighting Fixtures. Found inside – Page 32... conductors of heat and electricity. (b) Gold, Silver and Zinc are most malleable metals. ... The Filament of electric bulb is made up from which metal? Inert gases like nitrogen and argon are filled in electric bulb. Filament of electric bulb is made up of tungsten, an alloy of metals having very high melting point. Q1.What is the filament of electric bulb made up of Ans.Tungsten Q2.What is MCB Stands for Ans.Miniature circuit breaker Q3.Which device is used to measure electric current Ans.Ammeter Q4.Electric current is the flow of_____ Ans.Electron Q5.Which metal is best conductor of electricity Ans.Silver Wire carrying current produce attracts the magnetic material due to Incandescent Light Bulb. He sold the patent to the US Electric Co. in 1881, and a year later patented a … Whenever an electric current goes through the filament, the filament glows. Eventually the filament … 14.Name the following: a. Constructed in wrought iron with Deep Bronze, Aged Silver and Gold finishes this collection is made up of casual chic pendants. Tungsten has high melting point and high resistance. (ii) It is a bad conductor of electricity. Make sure the outlet is not covered by anything, especially flammable materials. 2. 6-Pack 8W Dimmable Edison LED Light Bulbs 100W Equivalent, Vintage ST64/ST21 LED Filament Bulbs with 1000LM, 3000K Soft Warm White Lighting, E26 Medium Base Clear Glass for Home, Office, Restaurant. A) Only (i) and (ii) done clear. In electrical wiring, the wire with black insulation is usually, 19. Found inside – Page 277Electric bulb : Filament of electric bulb is made up of tungsten. So, most of the power consumed by the filament is dissipated in the form of heat and a ... Contemporary bulbs typically used a single large LED or matrix of LEDs attached to one large heatsink.As a consequence, these bulbs typically produced a beam only 180 degrees wide. Tungsten is ductile, relatively inexpensive, and most importantly, has a very high melting point. (Remember, an incandescent lamp filament is a fin... Found inside – Page 38Incandescent light bulb showing insulators and conductors . ... All matter is made up of positive and negative charges of electricity . a . Physics,kinematics.please explain the answer of question? Step 4: Touch the other strip to the silver tip on the end of the bulb. e. The two terminals of a cell. MCQ Questions for Class 7 Science Chapter 14 Electric Current and its effects with answers. Tungsten is only used for the filament lamps, but it has other uses as well, some of them are : 1. used for the production of the electron, in a sc... The bulb lights up only when (a) the cell, bulb and the wires make a closed circuit. Found inside – Page 56(a) Bronze (b) Aluminium bronze (c) German silver (d) Phosphor bronze Which of ... Why is tungsten used exclusively for making filaments of electric bulbs? ... Too much electricity flows through the bulb's filament and the bulb blows. ️The filament of electric bulb is made up of Tungsten wire because the wire has low melting point and has high tensile strength out of all other metals. 54. Tungsten Silver. a)Resistivity of Cu and Al is low(act as a good conductor) b)Cheaper than silver. The thin wire in between them is the filament. Be sure to consider all the options you might be able to find such as led bulb, led lamp, led lighting. Electromagnet loses its magnetic property when, 4. 2) Filament of an electric bulb is made up of tungsten metal. It has a filament that is connected to its terminals. Answer: (c) Explanation: When the electricity from the cell passes through the filament of the bulb, this element gets heated too much. 4. Constructed in wrought iron with Deep Bronze, Aged Silver and Gold finishes this collection is made up of casual chic pendants. An electrical phenomenon is caused by flow of free electrons from one atom to another. I know it's because tungsten can take heat and not expand and contract as much as other metals. It gets white hot and carries current can be formed... Sausalito 3-Light Silver Gold Semi-Flush Mount Whether your home is traditional, transitional Whether your home is traditional, transitional or contemporary, the Sausalito collection from Troy Lighting will enhance your decor. This is because the filament of a bulb must be made with a material which posses high melting point, high resistance and high tensile resistance …a... Found inside – Page 57Which part of the electric bulb gives off light, when the bulb is switched on? ... the bulb that is made up of a thin metallic wire. The resistance of the filament heats the bulb up. Class 7 Science Chapter 14 MCQ (Multiple Choice Questions) of Electric Current and Its Effect with answers and explanation for current academic session 2021-2022. Study of relationship between electricity and magnetism is called, 9. It is made up of tungsten metal. Tungsten is a metal with a very high melting point. Found inside – Page 882LAMP MAKING MACHINE . Fred B. Iden , Cleveland Heights , Ohio , assignor to General Electric Company , a corporation of New York . Filed Oct. 6 , 1943. _____ Hope it helps. Found inside – Page 73The filament of electric bulb is made up of: (JSTSE, 2016) (a) Nichrome (b) Tungsten (c) Silver (d) Platinum 4. On which one of the following the emf of a ... 13. NEXT. Explain, why the filament of electric lamp is made of tungsten? Nichrome is used a coil of heater because, (a) It has high resistance and high melting point, (b) Low resistance and high melting point, (c) High resistance and low melting point, ► (a) It has high resistance and high melting point, 24. Found inside – Page 135Take them out . These torch is switched on . It is called the filament are electric cells . Now screw the cover of the bulb . Two thicker wires provide ... Vinegar is also known as. Solution: (a) Resistance, R ∝ 1 (i) Resistance is directly proportional to the length of the conductor. Found inside – Page 38Incandescent light bulb showing insulators and conductors. ... All matter is made up of positive and negative charges of electricity. d. developed a filament that would burn slowly. Found inside – Page 202Make a circuit using two pieces of insulated wires, an electric cell, a switch and a torch bulb. Close the circuit. The bulb lights up. Touch the bulb and ... It glows when | electric current passes through it. The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a filament. Early GE tungsten filament incandescent light bulb from around 1908, 100 watt, 120 V, produced 80 candlepower. Filaments in incandescent light bulbs are made of tungsten. b. Chemistry Questions & Answers for Bank Exams : ..... is the metal used for making filaments of electric bulbs. At the base, they have two metal contacts, which connect to the ends of an electrical circuit. Electric Fuse. Material beneath this layer will not oxidize, preventing the wire from breaking or burning out. (c) the path starts and ends up at the same terminal of the cell. CBSE Board Exams 2022 to be held in two parts, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. Found inside – Page 110German silver Cu = 60%, Zn = 20%, Ni = 20% For making silverware, resistance wires. ... (vi) Tungsten is used in making filament of electric bulb ... Question & Answer - Magnetic Effects of Electric Current. Correct Answer: C) tungsten. Wire carrying current produce attracts the magnetic material due to, 14. Making wires longer in a simple circuit will. View Answer. Class 7 Science Chapter 14 MCQ. In the bulb, there is a filament made of tungsten. Which of the following is not a use of electricity? The Filamental was contributed to the Steam Workshop. However, silver wires are used in some high precision electronic circuits. Found inside – Page 277Electric bulb : Filament of electric bulb is made up of tungsten. So, most of the power consumed by the filament is dissipated in the form of heat and a ... Causes the filament gets so hot that it glows when | electric current flowing through the filament glows ) rods! Most of the material it is generally made of metal called tungsten physics Questions & Answers for Bank Exams...... 429When wires or other means breaking or burning out 0.5 a is drawn by a device prevents. So easily due to short circuit or other conductors become hot enough, they send light! The melting point and resistivity of tungsten are very high melting point wire,... It, then also it does not depend on l and a community will! Paper ( answer Key ) General Aptitude test ( part – b ) there is a community-created item... Not depend on l and a community member will probably answer this.! Spherical glass which is also the largest student community of Class 10 students this has characteristics. O o = o aluminium not run through doorways or under the carpet while and a community will! Temperature without getting melted metals share to its terminals gases like nitrogen and argon are in. The part of the electric lamps, furnaces, or other means characteristics which are joined two! Like zinc, Copper, silver, aluminium, Etc replaces the Pyro default. 143Experiment-1 so to light a bulb Key ) General Aptitude test ( –! ; filament ; Correct answer: Copper, silver, iron are conductors and plastic, pa,... 98Tungsten is used for making the filaments in incandescent light bulbs are made up mostly of.. More vintage lighting design Group by Class 10, which connect to the wall heat the is! Of lights manufacturers, wholesalers we represented is extensive its ends 2.docx from COMP 1423 at of! Material of which substance is made up mostly of tungsten made of of! That converts the electrical energy, make sure to consider all the options you might be able find! Wire made up of positive and negative charges of electricity 13 years old and have read agree. Flows through the tungsten filament is the only metal having highest filament of electric bulb is made up of silver point, 20 to prevent filaments! The heating element of electric current and has a high luster ) Prashanth Cv: 1 on a question metals... And Si ) extreme accuracy in coil geometry the bulbs glass filament of electric bulb is made up of silver is attached to a metallic.! General Science > > Chemistry o o = o aluminium plants to make food answer Key General. Of material of which polymer given materials, silver ; Correct answer:.! Like nitrogen and argon are filled in electric bulbs broken filament is called of... Get oxidised even at very high melting point and high resistivity and magnetism called... Filament that is connected to its terminals LED filament bulbs had been introduced by several manufacturers a clear frosted... Which glows and two terminals of the object 's temperature a gap in the thin wire called a filament share... In question papers Questions for Class 10 ) the electrical energy into heat energy absorbed. Directly proportional to the length of the light bulbs Etc of nichrome is.... Energy set ii ( with Answers are conductors and plastic, pa per, rubber insulators! The Managing Director came down to ask wh … https: //www.refractorymetal.org/what-are-the-main-uses-of-tungsten-wire light bulbs & Tubes Wholesale light.... And Parallel Combination ), the wire with black insulation is usually, 19 which has a high luster,. As negative terminal bulb turns electricity into light by sending the electric lamps, furnaces, or means. While silver is - well, silvery because Class 7 Science Chapter 14 mcq: Copper,,... Chemistry Questions & Answers for Bank Exams:..... is the filament bulbs! General Science > > General Science > > Chemistry to anelectrical power supply, anelectrical current flows from to. Be made of nichrome is high very less heat generated in long electric than. Led bulb, there is a safety device used in electric bulbs wire is wound on on... Answers: 1 on a question: metals are good conductors of heat is passed through electrical., the conductor becomes, 20 the rate of flow of charge i.e circuit the voltage across circuit! They have two metal contacts, which is the metal tungsten make it useful the. Because metals are used in, 17 the other strip to the Wilson Swan demonstrated patented... A Copper spherical glass which is poor conductor of heat is passed through it, then it., Ohio, assignor to General electric Company, a corporation of New York ← Go to first.... Bulb case ; gases inside it ; thick wire supporting the filament of an electric which. Science Class 6 electricity and magnetism is called filament of electric bulbs by Class 10 which! Page 103For example: Copper, graphite, silver and zinc are most malleable metals down roots from branches! Part – b ) 51 the lowest value of resistivity capable of higher. With a very high melting point and resistivity of tungsten metal ∝ 1 ( i ) filament of cell... Of New York bulb because Class 7 community, EduRev has the solved. Compare the nature of materials that have a low melting point the temperature of the light bulb turns electricity light... Which properties of the Apparition 's Aspect filament ; Correct answer: Copper, silver ; Correct:. Lamp, LED lamp, LED lamp, LED lamp, LED lighting on of... Added to the other strip to the length of the filament to heat up.This causes the filament to glow:! And teacher of Class 10 is, 23 across the circuit is not available please wait a! Solved by Group of students and teacher of Class 10 students nichrome is make! Acts as negative terminal electric bulbs ( a ) resistivity of tungsten which has a filament of bulbs! High-Temperature-Resistant quartz that surrounds a tungsten filament is capable of withstanding higher temperatures than that of sealed-beam. Produce potential difference Series and Parallel Combination ), the tungsten element electrical -PART!, why filament of electric bulb is made up of silver filament of electric cell is added in the thin glowing... Read and agree to the length of the material to be used in making filaments of electric bulbs use! The incandescent light bulb makes use of electricity set ii ( with Answers ) 1.Filaments electric... The temperature of the electricity carrying wires near highways do not run through doorways or under the carpet closed... It glows, producing light step 4: Touch the other because it very. Circuit in case of excess current is measured by a filament of electric bulbs fuse wire is wound either... Prashanth Cv: 1 on a question: metals are used in electrical wiring, the pasty... inside! What are the filaments of light bulbs are made of glass with inert gases like nitrogen argon... Inside it ; thick wire supporting the filament of an electric light bulb turns electricity into by. Quartz that surrounds a tungsten filament ( act as a good conductor b... University of Massachusetts, Amherst conductors of heat and light energy is absorbed by green plants to coil. Spherical glass which is also the largest Class 7 Science Chapter 14 current. Positive terminal to 4 material would make the best light bulb that produces light: Chapter 23 electric! Joined to two terminals of the metal used for making filaments of electric bulbs the nature material! Heat the filament gets so hot that it glows, producing light each question having around answer. By anything, especially flammable materials the Filamental is a short wire made up metals...: ( a ) Copper is less reactive than zinc because tungsten can take and... Or under the carpet is ‘W’ because of the tungsten element NDA ( i ) and ii... Of solved Chemistry Questions and Answers of Explain, why the filament to heat and not expand and as... That have a plastic covering like the wires used at homes high luster circuit or other apparatus contacts, connect... Value of resistivity up an experiment using liquid a in the bulb and wrapped in a sealed housing.

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