A solenoid ring with N = 3 loops is immersed in a uniform time-varying magnetic field (shown in the figure) whose strength is given by B = (1/4) sin(t/2) [T], where t is in seconds. If the radius of the loop is r = 2[m], what is the maximum magnitude of the EMF in the loop? At what time is the magnitude of the EMF at half its X X X max value? X. A. 1 [V], 67 [s] [s] В. 4п [V], С. бл [V], 2 2n [s] D. Зп [V], [s] X/X X\X X/x X X
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