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Question
Assertion :The electromagnetic forces (produced as a result of eddy current) can be used for levitation, creating movement, or to give a strong braking effect Reason: Eddy currents can also have undesirable effects, for instance power loss in transformers
Assertion :The electromagnetic forces (produced as a result of eddy current) can be used for levitation, creating movement, or to give a strong braking effect Reason: Eddy currents can also have undesirable effects, for instance power loss in transformers
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Eddy current in a conductor of non-zero resistivity generates heat as well as electromagnetic forces. The heat can be used for induction heating. The electromagnetic forces can be used for levitation, creaking movement, or to give a strong braking effect. The other undesirable effect is heating of conductor skin etc. So we clear that statement is the correct but not correct explanation.
Eddy current in a conductor of non-zero resistivity generates heat as well as electromagnetic forces. The heat can be used for induction heating. The electromagnetic forces can be used for levitation, creaking movement, or to give a strong braking effect. The other undesirable effect is heating of conductor skin etc. So we clear that statement is the correct but not correct explanation.
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