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Electric Circuits

Electric Circuits
Coating generally recommended for hard surfacing is

 copper plating.
None of these
 lead plating.
 chromium plating.

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Electric Circuits
Voltage magnification will occur in which of the following case?

 Parallel resonance
 Both
None of these
 Series resonance

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

 (5 + j10 / 3) Ω.
  (10 + j30) Ω.
 40 Ω.
 (20 + j10) Ω.

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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
 10
 1

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Electric Circuits
A two port network is defined by the relation The value of Z12 is

 2/31.
 3/41.
 3.
 -3.

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MORE MCQ ON Electric Circuits

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