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Byju's Answer

Standard XII

Physics

Transformer

Assertion :Ed...

Question

Assertion :Eddy currents in conductors of non-zero resistivity generate heat as well as electromagnetic forces. Reason: Current is always associated with heat and electromagnetic forces

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Eddy currents are associated with electromagnetic forces because a moving charge produces magnetic field and electric current consists of moving charges only, and that magnetic field produced is responsible for electromagnetic forces. Also when a current passes through a conductor then heat is produced in it as given by $H = I^{2} R t$ .

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(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
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Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
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(a) Assertion and reason both are correct and reason is correct explanation of assertion.
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