How is a magnetic field creates around a wire?

What creates a magnetic field around a wire?

What do plotting compasses show?

What happens when direction of current changes?

What is the magnetic field around a single & two wires.

How do you make an electromagnet?

What happens when there is an electric current through the wire of an electromagnet?

How is the magnetic field of an electromagnet formed?

How is the magnetic field around a coil of wire formed?

What happens to the wires in a coil?

What happens outside the coil?

What is a solenoid?

What is flemings left hand rule?

What is the motor effect?

What is electromagnetic induction? How to increase.