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School Physics Quiz : Work & Energy


Answer the following questions based on work & energy.

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Multiple choice

Your Performance  

1.

When a current is supplied by a battery, _______ energy is converted to electrical energy.

  chemical

  mechanical

  nuclear

  Half-n-half Clue
 

2.

Power is the rate of doing work.

  True

  False

 

3.

The SI unit of power is

  Joule

  Watt

  Volt

  Half-n-half Clue
 

4.

The energy losses from machines are mostly dissipated as sound energy.

  True

  False

 

5.

A mass of 6 kg is raised through a vertical distance of 30 m. If the gravitational acceleration is 9.8 m s-2, then the potential energy gained by the mass is

  1764 J

  58.8 J

  180 J

  294 J

  Half-n-half Clue
 

6.

'Energy can neither be created nor destroyed' is a statement of the

  Law of Conservation of Electric Charges

  Law of Conservation of Matter

  Law of Conservation of Energy

  Half-n-half Clue
 

7.

The energy possessed by a body due to its position or configuration is called _______ energy.

  kinetic

  thermal

  sound

  potential

  Half-n-half Clue
 


 
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