Question

Question 25
Yogesh takes a magnetic compass in the lab and tries to show how it works to his friends. But, it does not
work well in the laboratory. It just swings to and forth. He then takes it out in the field and it started
working. What do you think could be the possible reasons for this?
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Answer 1

Explanation:

the reason for this is that there might be some magnets in the lab which attracted the compass needle and the compass does not work properly .

it works in a field because there is no magnet near the compass

Answer 2

Answer:

•The lab was full of Electronic Appliances.

• That may have high magnetic effects.

•The magnet in the compass needle is small that can not work in strong magnetic field ( i.e. field in the room.

•If it is back in normal environment, then it will back its magnetism also.

Explanation: