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Electric Circuits

Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.01 A.
 1 A.
 0.316 A.
 0.1 A.

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Electric Circuits
Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be

 1 µF
 5 µF
 25 µF
 10 µF

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Electric Circuits
A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF.

 0.1C, 100MW.
 0.1C, 10MW.
 0.01C, 10MW.
 0.01C and 5W.

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Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 3.
 1.7 X 10 - 6.
 1.7 X 10 - 4.
 1.7 X 10 - 5.

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Electric Circuits
Reactive power drawn by a pure resistor is

 minimum
 maximum
 0
None of these

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Electric Circuits
The resistance of 200 W, 200 V lamp is

 100 Ω.
  200 Ω.
 800 Ω.
 400 Ω.

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MORE MCQ ON Electric Circuits

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