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Question 17 of 68 in Electromagnetism

ELECTROMAGNETIC INDUCTION

1 mark · Easy

State what is meant by electromagnetic induction.

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Electromagnetic induction is the production of a voltage across a wire or coil when it moves through a magnetic field or when a magnetic field changes around it.

Also accept: A voltage is generated when a conductor cuts magnetic field lines

Common mistakes: Mentioning only current but not voltage; Confusing with the motor effect

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Marking points

B1 · 1 mark · Defines electromagnetic induction as production of voltage when a wire or coil moves through or experiences a changing magnetic field.

Worked solution

Electromagnetic induction is the process in which a voltage is induced in a conductor when it moves through a magnetic field or when a magnetic field changes around it.

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