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Solution


Q.

Assertion: A pump operated by electric motor starts pumping liquid.
Reason: Motor converts mechanical energy to electrical energy.
1 Both assertion and reason are correct and reason is the correct explanation of assertion.  
2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.  
3 Assertion is true, but reason is false.  
4 Assertion is false, but reason is true.  

Ans.

(3)

An electric motor converts electrical energy to mechanical energy which is used for pumping liquids through the pumps. It produces a rotating force when electricity is given to it. Thus, assertion is true, but reason is false.