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Electric Circuits

Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 0°
 90°
 45°
 - 90°

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 100 V, 50 Hz.
 100√2 V, 100 Hz.
 100 V, 100 Hz.
 50√2 V, 100 Hz.

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Electric Circuits
Specific resistance is measured in

  ohm/cm.
  mho.
  ohm.
  ohm - cm.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 C / v.
 (1 / 2) Cv2.
 Cv.
 C dv / dt.

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 series.
 parallel.
 either parallel or series.
None of these

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Electric Circuits
For cadium plating electrolyte used is

 sodium cyanide, cadmium and caustic soda.
 cadmium hexa metaphosphate.
 any of above.
 cadmium sulphate and sulphuric acid.

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