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Need help asap please!

what produces the emf in an electric generator?

a coil rotating in a magnetic field to change its flux

an electric current in a coil that produces a torque on the coil to make it rotate

an electric battery

the repulsion between a positive charge and the north pole of a magnet

User Cyrene
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1 Answer

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Answer:

a coil rotating in a magnetic field to change its flux

User Dasilvj
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