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Electric Circuits

Electric Circuits
The unit of resistivity is

 Ω - metre.
 Ω.
 Ω / m².
 Ω / metre.

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Electric Circuits
Electrolyte for silver plating is

  potassium nitrate solution.
  dilute sulphuric acid.
  double cyanide of silver and potassium solution.
  any of above.

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Electric Circuits
Power factor can be defined as

 sine of voltage and current.
 both option B and C.
 ratio of resistance versus impedance.
 cosine of angle between voltage and current.

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Electric Circuits
Internal heating of a capacitor is usually attributed to

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

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Electric Circuits
The greater the internal resistance of a cell

 the greater the emf.
 the lesser the emf.
 the lesser the terminal voltage.
 the greater the terminal voltage.

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 None of them
 34.4 V.
 -28.4 V.
 -27.4 V.

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MORE MCQ ON Electric Circuits

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