Physics for IGCSE & O level - Magnets And Currents (Section 1 - No. 23)
What happens when a bar magnet is moved away from a coil?
An e.m.f. is induced in the coil.
The coil is repelled.
No e.m.f. is induced.
The coil attracts the magnet.
Giải thích
Moving a magnet away from a coil will still induce an e.m.f. but in the opposite direction as when approaching.