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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Inductor.
 Diode.
 Resistor.
 Capacitor.

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Electric Circuits
The alternative names for active power is/are

 real power.
 true power.
 average power.
All of these

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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.

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

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

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

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Electric Circuits
A variable capacitance is one whose capacitance

 changes with time.
 changes with voltage.
 changes with temperature.
 can be changed manually or by mechanical force.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 Both 2 and 3
 L
 R
 C

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MORE MCQ ON Electric Circuits

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