Question

write the uses of magnetic compass
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Answer 1

Answer:

1. To detect the directions.

2. To check the polarity of other magnet and to plot magnetic field lines.

3. It is mainly used in ships for navigation and orientation.

4. Even in the aviation industry, compass is used but due to the constant changes in earth's magnetic field.

5. Magnetic compasses are often not used.

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Answer 2

Answer:

Magnetic compass, in navigation or surveying, an instrument for determining direction on the surface of Earth by means of a magnetic pointer that aligns itself with Earth's magneticfield.