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Assertion : A square loop is placed in x-y plane as shown in figure. Magnetic field in the region is` B =- B_0x hatk`. The induced current in the loop is anti-clockwise. Reason : If inward magnetic field from such a loop increases, then current should be anti-clockwise.A. If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not the correct explanation of AssertionC. If Assertion is true, but the Reason is false.D. If Assertion is false but the Reason is true. |
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Answer» Correct Answer - D Due to non uniform magnetic field (a function of `x`) magnetic flux passing through the loop obtained by integration. But that remains constant with time Hence,` (dphi)/(dt)=0` `or e=0` Magnetic field is along `-hatk` direction or in `ox` magnetic is increasing. Hence, induced current should produce `o.` magnetic field. Or induced curent shoud be anti cloclwise. |
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