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Electric Circuits

Electric Circuits
A branch of a network is said to be active when it consists of one

 resistor.
 voltage source.
 capacitor.
 inductor.

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 40 Ω.
 25 Ω and 5 Ω.
 50 Ω and 200 Ω.
 40 Ω and 200 Ω.

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Electric Circuits
Find the current through 5 Ohm resistor from A to B.

 -2A.
 -1A.
 2A.
 1A.

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Electric Circuits
The value of V in the circuit shown in the given figure is

  2 V.
 4 V.
  3 V.
 5 V.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 None of these.
 L = 3.316 mH, C = 132 μF.
 L = 3.316 mH, C = 0.0132 μF.
 L = 0.0132 mH, C = 0.0132 μF.

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 42.4sin50πt.
 42.4sin25πt.
 30sin25πt.
 30sin50πt.

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MORE MCQ ON Electric Circuits

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