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Electric Circuits

Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Copper.
  Steel.
  Aluminium.
  Silver.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm

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Electric Circuits
Two identical resistors are first connected in parallel then in series. The ratio of resultant resistance of the first combination to the second will be

 4.
 2.
 0.5.
 0.25.

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Electric Circuits
A capacitor that stores charge of 0.5 C at 10 V has a capacitance of _____________ farad.

 20.
 5.
 0.05.
 10.

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Electric Circuits
A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance?

 48.15 Ω.
 1.5 Ω.
 None of these.
 47.1 Ω.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 ionization current.
 proton current.
 polarization current.
 electron current.

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MORE MCQ ON Electric Circuits

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