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3) The magnetic flux through the loop, shown in the figure, increases according to the relation B PB (t) = (6.50 Wb/s2)t2 + (8.50 Wb/s)t. a) What is the magnitude of the emf induced in the loop when t = 3.0 s? b) Is the direction of the current through R to the right or left? c) What is the magnitude of the current through the loop if R = 9.5 0? R