What is the direction of magnetic field lines inside any magnet?

A.) they travel from north to south

B.) they travel from south to north

C.) they travel in a loop

D.) they travel back and forth within the magnet

E.) They do not travel through the magnet

Answer: Option B.) they travel from south to north

Inside the magnet, the field lines travel from South to North.

Explanation:

A magnet has two poles: North and South. The magnetic field lines originate from North and end at south pole. Maximum field lines are at the poles. Inside the magnet, the field lines travel from South pole to North pole. Overall, the field lines form a loop.