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The potential difference across a 4 H inductor vary with time is as shown. The current is Zero at `t = 0,` Then the current at time `t =2s` A. `1A`B. `2A`C. `3A`D. `4A` |
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Answer» Correct Answer - B `V_(L)=L(di)/(dt)` `di=(V_(L))/(L)dt` `L(i_(f)-i_(0))` =area under `(V_(L)-t)`graph `4(i_(f)-i_(0))=(1)/(2)xx8xx2` `i_(f)=2A` |
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