ch30-p085 - 85. (a) When switch S is just closed, V1 = and...

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(b) Since now ε L = , we have i 2 = 0. (c) i s = i 1 + i 2 = 2.0 A + 0 = 2.0 A. (d) Since V L = , V 2 = L = 0. (e) V L = = 10 V. (f) 2 10 V 2.0 A/s 5.0 H L di V dt L L == = = . (g) After a long time, we still have V 1 = , so i 1 = 2.0 A. (h) Since now V L = 0, i 2 = / R 2 = 10 V/10 = 1.0 A. (i) i s = i 1 + i 2 = 2.0 A + 1.0 A = 3.0 A.
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