MDCAT Physics MCQ #962

A Faraday's disc is rotating in a magnetic field. What is the direction of the induced EMF?

MDCAT Physics MCQ #962

  1. Question 1

    Q1. A Faraday's disc is rotating in a magnetic field. What is the direction of the induced EMF?

    • A) Clockwise
    • B) Anti-clockwise
    • C) The direction depends on the orientation of the disc
    • D) There is no induced EMF

    Answer: Clockwise

    Explanation: According to Lenz's law, the EMF induced in the disc is such that the magnetic field opposes the change in flux.