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Electric Circuits

Electric Circuits
Which of the following elements is/are called dynamic element/s?

 C.
 R.
 Both L and C.
 L.

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

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Electric Circuits
During electroplating the weight of substance deposited depends on

 atmospheric humidity.
 quantity of electricity.
 shape of article.
 room temperature.

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Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 2 msec
 4 msec
 2 μsec
 4 μsec

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 3.33 A
 1 A
 5 A
 23.33 A

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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.

 2.56
 3.149
 0.5
 1

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