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Problem: In a transformer, energy is carried from the primary coil to the secondary coil byA. The magnetic field in the iron coreB. The electrical heating of the primary coilC. Electricity conducted through the iron coreD. The difference in voltage between the primary and secondary coils

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Changing magnetic flux through the iron core created by the primary coil induces emf in the secondary coil.

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Problem Details

In a transformer, energy is carried from the primary coil to the secondary coil by

A. The magnetic field in the iron core

B. The electrical heating of the primary coil

C. Electricity conducted through the iron core

D. The difference in voltage between the primary and secondary coils

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