What kind of force does a magnetic field exert on a charge? on a current in a wire? on charges in a wire when the wire is moved through the magnetic field?

What is the nature of the sources of magnetic fields?

How can a moving magnet generate a voltage in a coil of wire?

How can a magnetic field generate a voltage in a moving wire?

What kind of force does a magnetic field exert on a charge? on a current in a wire? on charges in a wire when the wire is moved through the magnetic field?

How is electric voltage generated in an electric generator?

How is the force which turns an electric motor produced?

What useful tasks can be accomplished by a transformer? What are the limitations on the power output of a transformer?