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Electric Circuits

Electric Circuits
Energy efficiency during electroplating is usually in the range

 85 to 90%.
 50 to 80%.
 90 to 99%.
 80 to 85%.

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 5V
 4V
 3V
 7V

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 618 W.
 1236 W.
 411.3 W.
 none of these.

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

None of these
 parallel.
 series.
 either parallel or series.

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

 44 V.
 24 V.
 12 V.
 30 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 = 0.0132 μF.
 L = 3.316 mH, C = 132 μF.
 L = 0.0132 mH, C = 0.0132 μF.

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MORE MCQ ON Electric Circuits

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