MDCAT Physics MCQ #980

The back emf induced in a coil is proportional to?

MDCAT Physics MCQ #980

  1. Question 1

    Q1. The back emf induced in a coil is proportional to?

    • A) Rate of change of current
    • B) Current
    • C) Number of turns
    • D) Resistance of the coil

    Answer: Rate of change of current

    Explanation: Back emf is proportional to the rate of change of current. It is given by Lenz's law and Faraday's law of induction.