Keyword Analysis & Research: magnetic compass

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What is the purpose of a magnetic compass?

A magnetic compass, which is used to assist in navigation, is an instrument that shows magnetic north. You must apply a correction to determine the direction of true north. The ability to steer a pleasure craft by a compass is useful if land is out of sight, visibility is reduced, or the pleasure craft operator is disoriented.

Why do you need a magnetic compass?

We need a magnetic compass to test the conduction of electric current because the magnetic compass will get deflected even if there is a small value of current. Sometimes the bulb does not glow on passing electric current.

How do you use a magnetic compass?

To use a compass, hold the compass flat on your outspread hand in front of your chest. Next, turn the degree dial so that the orienting arrow lines up with the magnetic arrow inside the compass. Then, look at the travel arrow on the baseplate of the compass to tell you which direction you’re facing.

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