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In a filament type light bulb, most of t...

In a filament type light bulb, most of the electric power consumed appears as:

A

visible light

B

infra-red-rays

C

ultraviolet rays

D

fluorescent light

Text Solution

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
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  2. Which of the following characteristic is not suitable for a fuse wire?

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  3. In a filament type light bulb, most of the electric power consumed app...

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

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

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

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

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

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

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  10. What does an electric circuit mean ?

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  11. Define the unit of current.

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

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

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

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

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

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

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

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

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

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