Electromagnets

Front

What surrounds every magnet?

Back

A magnetic field.

Front

What part of an electromagnet becomes a magnet when electricity flows through a coiled wire?

Back

Iron Nail.

Front

What must you do to induce electricity and move the galvanometer?

Back

Move the magnet.

Front

What do electric currents produce?

Back

Magnetic fields.

Front

What type of magnet can be turned on and off?

Back

Electromagnet.

Front

Define an electromagnet.

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What is the role of a battery in an electromagnet circuit?

Back

It provides the electrical current needed to create the magnetic field.

Front

How does increasing the number of loops in a wire affect the strength of an electromagnet?

Back

It increases the strength of the magnetic field.

Front

What materials are commonly used as cores in electromagnets?

Back

Iron, nickel, or cobalt.