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And electric current is produced by which of the following processes?

A. Electrical resistance
B. Transfer of protons
C. Convection currents
D. Electromagnetic induction

User Quint
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2 Answers

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D. Electromagnet Induction

User MeJ
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Among the choices, electromagnetic induction produces an electric current.
WHY:
Electromagnetic Induction produces an electric current when an electromotive force or voltage moves across an electrical conductor in a changing magnetic field. As an experiment, moving a bar magnet inside a coil will produce emf (electromotive force) or voltage thereby producing a current.
User ChrKoenig
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