e-mag

Front

Electromagnets are _____________.

Back

temporary

Front

According to Fleming's left-hand rule, the direction of the magnetic force (F) is ____________ when the magnetic field (B) and current (I) are given.

Back

into the page

Front

How can the strength of a simple electromagnet be increased?

Back

Add more coils of wire to the nail.

Front

What must be done to induce electricity and move the galvanometer?

Back

Move the magnet.

Front

The strongest parts of a magnet are called _____________.

Back

poles

Front

What is an electromagnet?

Back

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

Front

What happens to the magnetic field when the current in an electromagnet is increased?

Back

The magnetic field strength increases.

Front

What is the role of the core material in an electromagnet?

Back

It enhances the magnetic field produced by the coil.

Front

What is the relationship between electricity and magnetism in electromagnets?

Back

Electricity can create a magnetic field, and moving magnets can induce electric current.

Front

What is the purpose of using a galvanometer in experiments with electromagnets?

Back

To measure the induced electric current.