Q.

The potential difference across a  2H inductor as a function of time is shown in the figure. At time t=0 ,current is zero. Choose the correct statement.

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a

Current at  t=2s is  5A

b

Current at  t=2s is 6A

c

Current verses time graph across inductor will be

d

Current verses time graph across inductor will be

answer is A.

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Detailed Solution

Area (V - t)  graph = L(ΔI)⇒2(if−0)=12×10×2 ⇒if=5 A
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The potential difference across a  2H inductor as a function of time is shown in the figure. At time t=0 ,current is zero. Choose the correct statement.