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Electric Circuits

Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 10 kHz.
 50 Hz.
 1000 Hz.
 100 Hz.

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 0.5
 3.149
 1
 2.56

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

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

 Diode.
 Resistor.
 Capacitor.
 Inductor.

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Electric Circuits
In the given figure the value of the source voltage is

 24 V.
 30 V.
 12 V.
 44 V.

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

 4V
 8V
 10V
 16V

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MORE MCQ ON Electric Circuits

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