A child staying in a coastal region tests the drinking water and also the seawater with his
tester. He finds that the compass needle deflects more in the case of seawater.
Explain.class 8
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Ans. Sea water contains more amount of salt than drinking water. So the sea water is a better conductor of electricity. This is the reason that the compass needle deflects more in case of sea water..
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Answer:
The seawater contains a huge amount of salts in comparison to drinking water, hence the seawater is a better conductor of electricity and it produces a stronger magnetic field in the wire and hence deflects the compass needle more.
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