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Solution


Q.

Assertion: Electric generator uses mechanical energy and converts it into electrical energy.
Reason: Electric generator works on the principle of electromagnetic induction.
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.

(1)

The axle of the generator is mechanically rotated to rotate the coil inside the magnetic field. The rotating coil is kept between two poles of a permanent magnet. Due to the electromagnetic induction electricity is produced through the coils. Thus, both assertion and reason are correct and reason is the correct explanation of assertion.