It’s will be B because the circuit had a open or close so if that doesn’t work than it’s because it’s open
Electrical generator which operates using a magnetic field. It is the beginning of modern dynamos.
Answer:
Magnets come in a variety of shapes and one of the more common is the horseshoe (U) magnet. The horseshoe magnet has north and south poles just like a bar magnet but the magnet is curved so the poles lie in the same plane. The magnetic lines of force flow from pole to pole just like in the bar magnet.