Physics, asked by sirinsofi27, 5 months ago

9. What is a compass needle? How can you detect the presence of a magnet using a compass needle?

Answers

Answered by thirupathiavunoori76
2

Answer:

➜A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction of the Earth's magnetic field, or the magnetic field of a magnet.

Answered by Anonymous
3

Answer:

A compass needle aligns itself and points toward the top of Earth's magnetic field, giving explorers and lost souls a consistent sense of direction.A compass needle is a small bar magnet with north and south pole. The compass needle deflects due to repulsion/attraction with the bar magnet.

Explanation:

The compass needle points in the direction of the Earth's magnetic field, or the magnetic field of a magnet.

Detecting magnetic fields

Detecting magnetic fields A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction of the Earth's magnetic field, or the magnetic field of a magnet.

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