Additional Materials Section 30.1 -/1 points HRW10 30,PO14. My Notes Ask Your T

Question

Additional Materials Section 30.1 -/1 points HRW10 30,PO14. My Notes Ask Your T In figure a a uniform magnetic field B bcreases in magnitude with time t as given by figure (b). A drcular conducting loop of areas 9 × 14 m2 lies in the eld in the plane of the page. The amount of charge q passing point A on the loop is given in figure (c) as a function of t. What is the loop's resistence r (s) t (s) Additional Materials Section 30.1 My Notes -1 points HRW10 30 P 033. L-14.0 that is forced to move at constant speed v-8.00 m/s along horizontal rails. The rod, rails, and connecting strip-the 30 A through the long straight wire at form a conducting loop. The rod has resistance 0.600 ; the rest of the loop has negligible resistance. A current-1 a = 10.0 mm from the loop sets up a (nonuniform) magnetic field through the loop.

Explanation / Answer

1] emf induced = Rate of change of flux = A*dB/dt = 5.9e-4*3e-3 = 17.7e-7 V.

current =dq/dt = 2e-3 A

Resistance = V/I = 17.7e-7/2e-3 = 8.85*10^-4 ohm answer

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