MHT CET Physics question
A square frame with side 'a' and a straight conductor carrying a constant current I are located in the same plane. The resistance of the frame is equal to R. The frame was turned through 180° about the axis OO' separated from the current-carrying conductor by a distance b = 2a. If the electric charge that flowed through the frame be expressed as a function of a, I, R it takes the form . Find m + n + p
Answer: (A)
Solution
The flux through the frame is and a 180° turn reverses it, so
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