Question

What happens when a magnet is moved back and forth inside a wire coil?A.Electric charges begin flowing through the wire.B.The magnetic force decreases.C.Electric charges begin flowing through the magnet.D.The magnetic force increases.

Answer 1

According to electromagnetic induction, a change in the magnetic field induces a current in the circuit.

Thus, electric charges begin flowing through the wire when the magnet is moved back and forth inside a wire coil.