Electromagnetism

Front

What is electromagnetism?

Back

Electromagnetism is a branch of physics that deals with the interaction between electric charges and magnetic fields.

Front

What are magnetic field lines?

Back

Magnetic field lines are imaginary lines that represent the direction and strength of a magnetic field. They emerge from the north pole and enter the south pole.

Front

What happens when a north pole and a south pole of magnets are brought together?

Back

They attract each other.

Front

What happens when two north poles of magnets are brought together?

Back

They repel each other.

Front

What is a magnet?

Back

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

Front

Do all metals stick to magnets?

Back

No, only certain metals like iron, nickel, and cobalt are magnetic.

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is a magnetic field that extends from the Earth's interior out into space, affecting compass needles and other magnetic objects.

Front

What is a compass?

Back

A compass is a navigational instrument that shows direction relative to the Earth's magnetic field.

Front

What are the two poles of a magnet called?

Back

North pole and South pole.

Front

What is the right-hand rule in electromagnetism?

Back

The right-hand rule is a mnemonic for understanding the direction of magnetic force, current, and magnetic field in electromagnetism.