A Sensitive Ammeter Is Connected to a Wire Loop and Placed

Multiple Choice

A sensitive ammeter is connected to a wire loop and placed within the magnetic field of a strong horseshoe magnet.The ammeter shows a deflection when:

A) the wire is moved parallel to the field.
B) the wire is moved perpendicularly to the field.
C) neither wire nor magnet is moving.
D) the wire's axis is parallel to the field.