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The self-induced e.m.f in a `0.1H` coil when the current in it is changing at the rate of `200 ampere//second` is

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The self-induced e.m.f in a `0.1H` coil when the current in it is changing at the rate of `200 ampere//second` is
A. `8xx10^(-4)V`
B. `8xx10^(-5)V`
C. `20V`
D. `125 V`
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1 Answer

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Correct Answer - C
`e=(Ldi)/(dt)impliese=0.1xx200=20V`
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