Physics for IGCSE & O level - Magnets And Currents (Section 8 - No. 23)
What happens to the induced e.m.f. in the second coil when the current in the first coil reverses direction?
The e.m.f. remains the same.
The e.m.f. is reversed.
The e.m.f. disappears.
The e.m.f. is increased.
Explanation
The e.m.f. in the second coil is affected by the changing current in the first coil.
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