12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Assertion And Reason (MCQs) - Alternating Current

  • question_answer
    Assertion (A): An alternator is a machine which converts mechanical energy into electrical energy
    Reason (R): When a coil rotates in a magnetic field an e.m.f. is induced in it.

    A) Both A and R are true and R is the correct explanation of A

    B) Both A and R are true but R is NOT the correct explanation of A

    C) A is true but R is false

    D) A is false and R is true

    Correct Answer: A

    Solution :

    Option [a] is correct Explanation: Alternator is basically a generator in which a coil rotates in a strong magnetic field and according to laws of electromagnetic induction e.m.f. is generated. So, assertion and reason both are true and reason explain the assertion.


You need to login to perform this action.
You will be redirected in 3 sec spinner