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How much energy does a 100W electric bul...

How much energy does a 100W electric bulb transfer in 1 minute?

A

100 J

B

600 J

C

3600 J

D

6000 J

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The correct Answer is:
D
NA
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. An object is falling freely from a height x. After it has fallen a hei...

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  2. COMMERCIAL UNIT OF ENERGY

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  3. How much energy does a 100W electric bulb transfer in 1 minute?

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  4. The device which converts mechanical energy into energy which runs our...

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  5. A microphone converts

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  6. The following data was obtained for a body of mass 1 kg dropped from a...

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  7. A ball falls to the ground as shown below : (a) What is the kinet...

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  8. In an experiment to measure his power, a student records the time take...

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  9. In loading a truck, a man lifts boxes of 100 N each through a height o...

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  10. Name the energy transfers which occur when : (a) an electric bell ri...

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  11. A force of 7 N acts on an object. The displacement is, say 8 m, in the...

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  12. When do we say that work is done ?

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  13. Write an expression for the work done when a force is acting on an obj...

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  14. Define 1 J of work.

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  15. A pair of bullocks exerts a force of 140 N on a plough. The field bei...

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  16. What is the kinetic energy of an object ?

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  17. Write an expression for kinetic energy of an object.

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  18. The kinetic energy of an object of mass m moving with a velocity of 5 ...

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  19. What is power ?

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  20. Define 1 W of power.

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