Question

Which apparatus is used to observe the induced current when a magnet moves relative to a coil?

Options

• Rotating coil and roller coaster

• Metal disc, brake, and high-speed train

• Bar magnet, coil of wire, and galvanometer connected to the coil

• Galvanometer without a connected coil

Answer 1

The apparatus consists of a bar magnet, a coil of wire, and a galvanometer connected to the coil. The galvanometer registers the induced current when the magnetic flux changes.