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WB JEE 2018
MCQ (Single Correct Answer)
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As shown in the figure, a rectangular loop of conducting wire is moving away with a constant velocity v in a perpendicular direction from a very long straight conductor carrying a steady current I. When the breadth of the rectangular loop is very small compared to its distance from the straight conductor, how does the emf. E induced in the loop vary with time t?

WB JEE 2018 Physics - Electromagnetic Induction Question 9 English
A
$$E \propto {1 \over {{t^2}}}$$
B
$$E \propto {1 \over t}$$
C
$$E \propto \ln (t)$$
D
$$E \propto {1 \over {{t^3}}}$$
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