What kind of magnet is used in a magnetic compass?

• A) Electromagnet
• B) Permanent magnet
• C) Temporary magnet
• D) None of the above

A magnetic compass primarily uses a permanent magnet. This type of magnet maintains its magnetic properties without the need for an external power source. The compass needle, which is a small permanent magnet, aligns itself with the Earth's magnetic field, helping users determine direction.

Understanding Compass Functionality

When you hold a compass, the needle points toward the magnetic north. This is due to the Earth's magnetic field interacting with the permanent magnet in the compass.

Types of Magnets Explained

• Electromagnet: A magnet created by electric current, used in various applications but not in compasses.
• Permanent Magnet: Always magnetized, ideal for compasses.
• Temporary Magnet: Becomes magnetized in the presence of a magnetic field but loses its magnetism when removed.

In summary, the correct answer to your question is B) Permanent magnet.