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WBJEE 2022 Physics and Chemistry Paper

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Question : 37

Total: 80

As shown in figure, a rectangular loop of length ' a ' and width ' b ' and made of a conducting material of uniform crosssection is kept in a horizontal plane where a uniform magnetic field of intensity B is acting vertically downward. Resistance per unit length of the loop is λΩ∕m. If the loop is pulled with uniform velocity ' v ' in horizontal direction, which of the following statement is / are true?

Current in the loop I=‌
Bbv
λ(2b+2a)
Current will be in clockwise direction, looking from the top.
VP−VS=VQ−VR, where V is the potential
There cannot be any induction in part SR.

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