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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 1.15.
 1.
 0.

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Titanium oxide.
 Glass.
 Oil impregnated paper.
 Vacuum, air.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 13.7 Ω.
 27.4 Ω.
 11.3 Ω.
 9.6 Ω.

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Electric Circuits
Internal heating of a capacitor is usually attributed to

 electron movement.
 leakage resistance.
 plate vibration.
 dielectric charge.

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Electric Circuits
For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

  (8.66 - j5) A.
  (-8.66 - j5) A.
  (-9.66 + j5) A.
  (8.66 + j5) A.

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Electric Circuits
Find the current through 5 Ohm resistor from A to B.

 1A.
 -2A.
 2A.
 -1A.

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MORE MCQ ON Electric Circuits

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