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Define 1 W of power....

Define 1 W of power.

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1 watt is the power of an appliance which does work at the rate of 1 joule per second (or which consumes energy at the rate of 1 joule per second). That is :
`1 "watt" = (1 "joule")/(1"second")`
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. The kinetic energy of an object of mass m moving with a velocity of 5 ...

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  2. What is power ?

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  3. Define 1 W of power.

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  4. A lamp consumes 1000 J of electrical energy is 10 s. What is its power...

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  5. Define avarage power.

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  6. Look at the activites listed below. Reason out whether or not work is ...

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  7. An object thrown at a certain angle to the ground moves in a curved pa...

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  8. A battery lights a bulb. Describe the energy changes involved in the p...

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  9. Certain force acting on a 20 kg mass changes its velocity from 5m//s t...

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  10. A mass of 10 kg is at a point A on a table. It is moved to a point B. ...

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  11. The potential energy of a freely falling object decreases progressivel...

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  12. What are the verious energy transformations that occur when you are ri...

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  13. Does the transfer of energy take palce when you push a huge rock with ...

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  14. A certain household has consumed 250 units of energy during a month. H...

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  15. An object of mass 40 kg is raised to a height of 5 m above the ground....

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  16. What is the work done by the force of gravity on a satellite moving ro...

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  17. Can there be displacement of an object in the absence of any force act...

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  18. A person holds a bundle of hay over his head for 30 minutes and gets t...

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  19. An electric heater is rated 1500W. How much energy does it use in 10 ...

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  20. Illustrate the law of conservation of energy by discussing the energy ...

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