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Electric Circuits

Electric Circuits
Condition of symmetry in ABCD parameter representation is

 B = D.
 AD - BC = 1.
 C = D.
 A = D.

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Electric Circuits
The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be

 6 A.
 10 A.
 0 A.
 5 A.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?

 Z and I.
 VR and I.
 VL and VR.
 VL and Z.

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Electric Circuits
Under resonance condition the power factor of a system is

 unity
 leading
 any of the above
 lagging

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Electric Circuits
What is the unit of potential difference ?

 Watt
 Ohm
 Volt
 Ampere

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Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.318 A.
 1 A.
 0.5 A.
 0.637 A.

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