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The self-inductance of a coil is 2H. The current in the coil changes from 8A to 2.95 A in 0.01 s. The time constant of the coil will be -A. 2sB. 0.1 sC. 10 msD. 1 ms |
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Answer» Correct Answer - C `(I)/(I_("max")) = (2.95)/(8) = 0.368` then `t = tau = 0.01 s = 10 ms` |
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