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Electric Circuits

Electric Circuits
A two port network is defined by the relation The value of Z12 is

 2/31.
 3.
 3/41.
 -3.

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Electric Circuits
In direct arc furnace which of following is of high value?

 Power factor.
 Voltage.
 Current.
 All of above.

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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?

 7V
 3V
 4V
 5V

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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 ?

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

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Electric Circuits
In the circuit given below the value of resistance Req is

 10 Ω.
 11.18 Ω.
 25 Ω.
 11.86 Ω.

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Electric Circuits
For steady state current inductor acts as

 Current source
 Open circuit
 Voltage source
 Short circuit

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MORE MCQ ON Electric Circuits

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