Question

2. Are induced emfs and currents different in any way from
emfs and currents provided by a battery connected to a con-
ducting loop?​

Answer 1

Explanation:

Are induced EMF and current different in any way from the EMF and current provided by a battery connected to a conducting loop?

Yes - usually, the battery provides a DC voltage that is steady over long periods - days, months even. That’s not possible with the induced current since the coil can only induce an EMF upon the change of the magnetic flux embraced. Since the flux cannot grow steadily forever, so the EMF cannot be constant over such long periods. As the induction almost always uses periodic processes (such as a rotation of the magnet generating a variable magnetic flux through the coil core) the generated EMF will also be periodic - most basically sinusoidal.

Answer 2

Answer:

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