a boy staying in a coastal region tests the drinking water and also the sea water with his tester . he found that the compass needle deflect more in the case of sea water. explain the reason
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The compass needle will only deflect if there is electric current passing through the circuit for that the solution need to conductive As the sea water has more impurities and more salts compered to drinking water .Sea water is more conductive so the compass needle deflects
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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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