Final answer:
The production of an electric current by a changing magnetic field is known as electromagnetic induction.
Step-by-step explanation:
The production of an electric current by a changing magnetic field is known as electromagnetic induction. It occurs when a conductor, such as a wire, cuts through magnetic lines of force, and as a result, an electromotive force (EMF) is induced in the conductor. This phenomenon was discovered by Michael Faraday in the early 19th century.
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