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Unformatted text preview: 29.9: a) c = 2r and A = r 2 so A = c 2 / 4 B = BA = ( B 4 )c 2 d B B dc = = c dt 2 dt At t = 9.0 s, c = 1.650 m - (9.0 s)(0.120 s) = 0.570 m = (0.500 T )(1 2 )(0.570 m)(0.120 m s) = 5.44 mV b) Flux current is decreasing so the flux of the induced ind is and I is clockwise. ...
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