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Electric circuits miscellaneous

  1. In the given circuit, S was initially open. At time t = 0, S is closed. When current through the inductor is 6A, then rate of change of current through the resistor is 6A/S. The value of inductor would be________ H
    1. 0
    2. 1
    3. 2
    4. 3
Correct Option: C

From given circuit,

18 = L
di
+ iR
dt

⇒ L =
18 - iR
di
dt

=
18 - 6 × 1
= 2 H
6



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