MCQ
The back $e.m.f.$ induced in a coil, when current changes from $1$ ampere to zero in one milli$-$second, is $4$ volts, the self inductance of the coil is
  • A
    $1 H$
  • B
    $4 H$
  • C
    $10^{-3} H$
  • $4 \times 10^{-3} H$

Answer

Correct option: D.
$4 \times 10^{-3} H$
$4 \times 10^{-3} H$

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