In the figure, the magnetic flux through the loop increases according to the relation Og = 7.8t² + 6.4t, where Og is in milliwebers and tis in seconds. (a) What is the magnitude of the emf induced in the loop when t = 1.7 s? (b) Is the direction of the current through R to the right or left? (a) i (b) Units 1:0 [²]
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