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Electric Circuits

Electric Circuits
Which of the following are the passive elements?

 Both
 Resistor
 Bulb
 None of these.

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

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

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Electric Circuits
The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 50 Ohms.
 25 Ohms.
 200 Ohms.
 100 Ohms.

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Electric Circuits
Current locus is obtained by which of the following?

None of these
 Varying any one of the circuit element
 Varying source frequency
 Either of these

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Electric Circuits
An electric field line and an equipotential surface are

 always perpendicular.
 none of above.
 always parallel.
 inclined at any angle.

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Electric Circuits
Super position theorem is not applicable for

 power calculations.
 voltage calculations.
None of these
 current calculations.

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MORE MCQ ON Electric Circuits

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