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Electric Circuits

Electric Circuits
Reciprocity condition for h parameters is

 h11h22 - h21h12 = 0.
 h12 = h21.
 h12 = h21.
 h12 = - h21.

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -27.4 V.
 -28.4 V.
 34.4 V.
 None of them

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 9/8 W.
 1 W.
 7.5 W.
 6/8W.

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.866.
 1.
 0.5.
 0.577.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Series C.
 Series L.
 Parallel L.
 Parallel C.

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 1.5 F.
 1.5 μF.
 0.015 F.
 15 μF.

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MORE MCQ ON Electric Circuits

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