MDCAT Physics MCQ #570

In a transformer, the voltage is stepped up or down by changing the number of turns in the coil. What is the principle behind this transformation?

MDCAT Physics MCQ #570

  1. Question 1

    Q1. In a transformer, the voltage is stepped up or down by changing the number of turns in the coil. What is the principle behind this transformation?

    • A) Electromagnetic Induction
    • B) Magnetic Lens Effect
    • C) Electrostatic Lens Effect
    • D) Thermionic Emission

    Answer: Electromagnetic Induction

    Explanation: Electromagnetic Induction relates voltage to turns