An electricity and magnetism problem by Himanshu Sharma

Consider the following circuit : Find the magnitude of the magnetic force on the rod at the instant just before the polarity of the ac. source reverses the first time ( first cycle) consider the current in the rod be 1A.

ASSUMPTIONS * assume that the rod is effected by the inductors magnetic field ln(3/2) = c

3.1410^-2 = b 1610^-4 = a

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