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Which of the following is the most likel...

Which of the following is the most likely temperature of the filament of an electric ligth bulb when it is working on the normal 220 V supply line?

A

`500^(@)C`

B

`1500^(@)C`

C

`2500^(@)C`

D

`4500^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
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  2. In a filament type light bulb, most of the electric power consumed app...

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  3. Which of the following is the most likely temperature of the filament ...

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  4. If the current flowing through a fixed resistor is halved, the heat pr...

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  5. The electrical resistivities of four materials P,Q,R and S are given b...

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  6. (a) How does the wire in the filament of a light bulb behave different...

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  7. Two exactly similar heating resistances are connected (i) in series, a...

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  8. Which electric heating devices in your home do you think have resistor...

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  9. What does an electric circuit mean ?

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  10. Define the unit of current.

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  11. Calculate the number of electrons consituting one coulomb of charge.

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  12. Name a device that helps to maintain a potential difference across a c...

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  13. What is meant by saying that the potential difference between two poin...

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  14. How much energy is given to each coulomb of charge passing through a 6...

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  15. On what factors does the resistance of a conductor depend ?

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  16. Will current flow more easily through a thick wire or a thin wire of t...

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  17. Let the resistance of an electrical component remain constant while th...

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  18. Why are coils of electric toasters and electric irons made of an alloy...

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  19. Draw a schematic diagram of a circuit consisting of a battery of three...

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  20. Judge the equivalent resistance when the following are connected in pa...

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