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Explain the law of conservation of charg...

Explain the law of conservation of charge with the help of a suitable example.

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MBD -HARYANA BOARD-WORK, ENERGY AND POWER-Example
  1. Calculate the work required to be done to stop a car of 1500 kg moving...

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  2. What do you mean by kinetic energy ? Derive an expression for the kine...

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  3. Explain the law of conservation of charge with the help of a suitable ...

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  4. If the force acting on the object is not in the direction of motion th...

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  5. Define power and its SI unit.?

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  6. Can a given amount of mechanical energy be completely converted into h...

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  7. Differentiate between Potential Energy and Kinetic Energy.

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  8. (a) What do you understand by the kinetic energy of a body ? (b) A b...

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  9. Two masses m and 2m are dropped from height h and 2h. On reaching the ...

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  10. Two objects having same mass 'm' are moving with velocities v and 2v. ...

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  11. A man drops a 10 kg rock from the top of a 20 m ladder. What will be i...

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  12. A rocket of maxx 3xx10^6kg takes off from a launching pad and acquires...

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  13. An electric heater of 1000W is used for 2 hours a day. What is the cos...

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  14. The power of a motor pump is 5 kW. How much water per minute the pump ...

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  15. Calculate the electricity bill amount for the month of November of a f...

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  16. A person carrying 10 bricks each of man 2.5 kg. on his head moves to a...

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  17. A car of 1000 kg moving with a velocity of 30 m//s stops with uniform ...

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  18. What is the kinetic energy of a body of mass 1 kg moving with a speed ...

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  19. The work done by the heart 1J per beat. Calculate the power of the hea...

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  20. Commercial Unit Of Energy

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