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Electric circuits miscellaneous

  1. In the circuit shown in the figure given below, current source I = 1 A, voltage source V = 5V,
    R1 = R2 = R3 = 1 W, L 1 = L2 = L 3 = 1H, C1 = C2 = 1F.
    The currents (in A) through R3 and the volt age source V respectively will be

    1. 1, 4
    2. 5, 1
    3. 5, 2
    4. 5, 4
Correct Option: D

At steady state, inductor gets short-circuited and capacitor gets open-circuited.

Voltage across, R3 = 5 volts

Current through R3, I1 =
5
= 5 A
R3

Given I1 + I2 = 1 A
I2 = 1 – I1 = – 4 A
(Current flowing in opposite direction)



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