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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 0o.
 90o.
 30o.
 45o.

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Electric Circuits
Kirchhoff’s voltage law is used for

 loop analysis.
 representing a current source.
 nodal analysis.
 finding equivalent resistance.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 4 msec
 1 μsec
 2 μsec
 2 msec

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 15.247 W.
 9 W.
 1.875 W.
 4.547 W.

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Electric Circuits
For steady state current inductor acts as

 Short circuit
 Current source
 Voltage source
 Open circuit

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 2.5
 - 1.25
 1
 10

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MORE MCQ ON Electric Circuits

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