NEET Physics Moving Charges and Magnetism Questions Solved

A cell is connected between the points A and C of a circular conductor ABCD of centre O with angle AOC = 60° . If B1 and B2 are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, the ratio B1B2 is

(a) 0.2                             (c) 1

(b) 6                                (d) 5                          


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