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4. (20 pts) A 2m x Im rectangular loop contains a 10 Ω resistor and is moving at 2 m/s towards a region of uniform magnetic fields 10 T into the page and of width 4 m. Assume the rectangular loop begins to enter the 4 m wide region o uniform magnetic field at t-0. Plot the current versus time in the 10Ωresistor from t = 0 to t = 3 s. Assume the current is positive if flowing in a clockwise direction. 10 B-10 2 m 4 m

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