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Solution


Q.

Assertion: Current can be induced in a coil by changing the magnetic field around it.
Reason: A Galvanometer connected to a coil can deflect either to the left or right of the zero mark.
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.

(2)

Current is induced in a coil due to a changing magnetic field and this process is known as electromagnetic induction.

Galvanometer is a device that detects the presence of current by deflecting the needle to one side of the zero mark but this does not explain the current induced in the coil. Thus both assertion and reason are correct and reason is not the correct explanation of the assertion.