Electromagnets

The magnetic field around a solenoid is ____________ the magnetic field around a straight wire.

The scientific name for a coil of wire with a current flowing through it is a (a)   .

If the direction of the current flowing in a wire is reversed, the magnetic field will...

Which rule do we use to find the shape of the magnetic field around a current-carrying wire.

In the right hand thumb rule, the direction of the current is shown by the (a)   .

In the right hand thumb rule, the direction of the magnetic field is shown by the curl of the (a)   .

The magnetic field of a solenoid is strongest inside the coil.

Select the advantages of electromagnets over permanent magnets.

Select the uses of electromagnets.

How can the strength of an electromagnet be increased?