Question

The accompanying figure shows a rectangular coil consisting of 30 closely spaced turns that has a resistance of 8.0 n. The magnetic field at all points inside the coil varies according to B = Beat, where Be = 0.35 T and a = 200 s-1 X X X X X 2.0 cm 5.0 cm What is the current induced in the coil (in A) at the following times? (Enter the magnitudes.) (a) 0.001 s (b) 0.002 s (c) 2.0 s

Answer 1

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NO. ep turng ^ n= 30 Иese given.: Aren o ecance= s x2em Resisdenace = R = 82 = 10 cm2 magnete Preld 2153m2 B Bo e d B dt = - Bod eat me inducadk dt 200 S dt E m10o. 35 x 200 2o, 0.7 20o O-48 75 e Carent 8 -200x0.001 = 0.87se O 016 4 A at f= 0.002 -200 x b002 I 00875 e o. OS8 65 A 11 at 2 I 00875 e 20ox2 OA