Induction

Question 1

What happens if you try to insert a permant magnets north pole through a coil of wire?

Answer 1

The electrons in the coil will move to create a north pole and repel the magnet.

Question 2

What happens if you try to remove a permant magnets north pole from a coil of wire?

Answer 2

The electrons in the coil will move to create a south pole and attract the magnet back in.

Question 3

What happens when a wire cuts through a magnetic field line?

Answer 3

An electrical potential difference is induced across the end of the wire.

Question 4

How can a potential difference be induced across a conductor?

Answer 4

If an electrical conductor moves relative to a magnetic field if there’s a change in the magnetic field around a conductor