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Electric Circuits

Electric Circuits
In series R, L circuit power factor can be defined as

 Vr/V
All of these
 R/Z
 P/S

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Electric Circuits
While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

 permeance and conductance.
 mmf and emf.
 flux and current flow.
 reluctance and resistance.

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 0.
 (V*L) / (R*C)
 V/R.
 V / {R + (sL + 1 / Cs)}.

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Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Any of above.
 Glucose.
 Albumen.
 Gelatine.

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

 Zsc+Zoc
 Zsc-Zoc
  (Zsc . Zoc)½
 Zsc/Zoc

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Electric Circuits
Dependent source of current and voltage are those which have

 unidirectional characteristic.
All of these
 independent of any other network variable.
 output dependent on input.

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MORE MCQ ON Electric Circuits

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