Physics for IGCSE & O level - Magnets And Currents (Section 5 - No. 14)

What are eddy currents?

Circulating currents induced within a conductor by a changing magnetic field.

Constant currents in a DC circuit.

The main current flow in a transformer's secondary coil.

The current flowing in a permanent magnet.

Eddy currents are circulating currents within a conductor caused by a changing magnetic field.