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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 16V
 4V
 10V
 8V

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  Single way switch doesn exist.
  Yes.
  No.
  Single way switch doesn operate at such current ratings.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses.
 losses and input.
 output and input.
 losses and output.

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 60W.
 360W.
 180W.
 90W.

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 1 W.
  64 W.
 5 W.
 10 W.

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Electric Circuits
Electrolyte for silver plating is

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

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MORE MCQ ON Electric Circuits

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