Physics for IGCSE & O level - Magnets And Currents (Section 10 - No. 42)

Which of the following correctly describes the relationship between magnetic fields and current-carrying wires?

Magnetic fields are generated by stationary charges.

Magnetic fields are generated by moving charges.

Current-carrying wires have no effect on magnetic fields.

Magnetic fields are generated by the absence of current.

Moving charges (current) generates magnetic fields.