Magnets & Magnetic Force

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain materials like iron, nickel, and cobalt.

Front

What is magnetic force?

Back

Magnetic force is the attraction or repulsion that arises between electrically charged particles due to their motion.

Front

How are electromagnets created?

Back

Electromagnets are created by an electric current running through a surrounding coil.

Front

What materials can be attracted to magnets?

Back

Metals such as iron, nickel, and cobalt can be attracted to magnets.

Front

What is an electromagnet?

Back

An electromagnet is a magnet created by an electric current.

Front

Which of the following is not magnetic: Iron nail, Compass needle, Safety pin, Copper coil?

Back

Copper coil is not magnetic.

Front

What is a temporary magnet?

Back

A temporary magnet is a magnet that stays magnetic only while it touches a permanent magnet or is magnetic for a very short time.

Front

What is a permanent magnet?

Back

A permanent magnet is a magnet that maintains its magnetic properties without the need for an external power source.

Front

What is the role of electric current in electromagnets?

Back

Electric current generates a magnetic field when it flows through a coil of wire.

Front

What is the difference between a magnet and an electromagnet?

Back

A magnet is always magnetic, while an electromagnet is only magnetic when electric current is applied.