Magnetic field lines around a bar magnet point:

From north pole to south pole outside the magnet

Where is a magnetic field strongest?

Where the field lines are closest together

A magnetic field around the wire

A magnet and a coil move relative to each other

Change the size of an alternating voltage

12questions. Pick an answer and you'll see why right away.

What happens when the north pole of one magnet is brought near the north pole of another?
Which of these is a magnetic material?
Magnetic field lines around a bar magnet point:
Where is a magnetic field strongest?
A current flowing in a straight wire produces:
Which change makes an electromagnet stronger?
An advantage of an electromagnet over a permanent magnet is that it:
The force on a current-carrying wire placed in a magnetic field is called:
Electromagnetic induction produces a voltage when:
Which device relies on electromagnetic induction to generate electricity?
How can the voltage induced when a magnet is moved into a coil be increased?
A transformer is used to: