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Electric Circuits

Electric Circuits
Which of the following has least resistivity?

 Copper.
 Mercury.
 Aluminium.
 Lead.

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Electric Circuits
Which of the following defined the average value ?

 Charge transfer
 Heating effect
 Voltage
 Current

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  R / n2.
  n2 / R.
  nR .

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Electric Circuits
The current in the resistor R shown in figure will be

 0.8 A.
 0.4 A.
 0.2 A.
 0.6 A.

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Electric Circuits
In a capacitor the electric charge is stored in

 both of (A) and (B).
 metal plates.
 none of above.
 dielectric.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

None of these
 ∞
 0
 Both

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MORE MCQ ON Electric Circuits

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