2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Alternating Current / प्रत्यावर्ती धारा

Railways General Science & Technology Alternating Current / प्रत्यावर्ती धारा Sample Paper Alternating Current and Electromagnetic Induction Sample Test Paper-10

  • question_answer
    When a metallic plate swings between the poles of a magnet

    A)  No effect on the plate

    B)  Eddy current are set up inside the plate and the direction of the current is along the motion of the plate

    C)  Eddy currents are set up inside the plate and the direction of the current oppose the motion of the plate

    D)  Eddy currents are set up inside the plate

    Correct Answer: C

    Solution :

    [c] Eddy currents are set up when a plate swings in a magnetic field. This opposes the motion.


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