Electromagnetic induction is the production of a voltage across a conductor when it is exposed to a varying magnetic field. This process is

Question

Electromagnetic induction is the production of a voltage across a conductor when it is exposed to a varying magnetic field. This process is essential in which of these devices?
A) A diode.
B) A capacitor.
C) A transformer
D) A potentiometer.

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Thái Dương 5 years 2021-07-16T17:24:18+00:00 1 Answers 39 views 0

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  1. nguyetanh
    0
    2021-07-16T17:26:10+00:00
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    Answer:

    C) A transformer

    Explanation:

    Transformers rely on alternating current to induce a current in a secondary coil from a primary coil without them being connected – this voltage is stepped up or down depending on the ratio of turns in each of their coils.

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