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a 200-loop coil of cross sectional area 8.5 cm2 lies in the plane of the page. an external magnetic field of 0.060 t is directed out of the plane of the page. the external field decreases to 0.020 t in 12 milliseconds.
(a) what is the magnitude of the change in the external magnetic flux enclosed by the coil? (4.0 × 10-3 t ∙ m2)
(b) what is the magnitude of the average voltage induced in the coil as the external flux is changing? (0.57 v)
(c) if the coil has a resistance of 4.0 ohms, what is the magnitude of the average current in the coil? (0.14 a)