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A seris LR circuit is connected to a vol...

A seris LR circuit is connected to a voltage source with `V(t) = V_(0)sin omegat`. After very large time, current 1(t) behaves as
`(t_(0) gt gt (L)/(R))`:

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A series LR circuit is connected to a voltage source with V(t) = V_(0) sin omega t. after very large time, current I(t) behaves as (t_(0) gt gt (L)/(R))

    A
    B
    C
    D

  • A capacitor of capacity C is connected in A.C circuit. If the applied emf is V = V_(0) sin omega t , then the current is

    A
    `I = (V_(0))/(L omega) sin omega t`
    B
    `I = (V_(0))/(omega C) sin (omega t + (pi)/(2))`
    C
    `I = V_(0) C omega sin omega t`
    D
    `t = V_(0) C omega sin (omega t + (pi)/(2))`

  • A small signal voltage V(t) = V_(0)sin omegat is applied across an ideal capacitor C

    A
    Current l(t) leads voltage V(t) by `180^(@)`
    B
    Current l(t) lags voltage V(t) by `90^(@)`
    C
    Over a full cycle the capacitor C does not consume any energy from the voltage source
    D
    Current l(t) is in phase with voltage V(t)

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    A small signal voltage V(t)=V_(0)sin omegat is applied across an ideal capacitor C :

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