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Electric Circuits

Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 4 msec
 2 msec
 1 μsec
 2 μsec

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Electric Circuits
Condition for reciprocity in case of ABCD parameters is

  AB-CD = 0.
 AB-CD = 1.
 AD-BC = 0.
 AD-BC = 1 .

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 360W.
 180W.
 90W.
 60W.

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

  2 A.
 1 A.
 3 A.
 None of these.

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Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 60 times.
 200 times.
 Nil.
 20 times.

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 positive plate.
 both plates.
 negative plate.
 none of the plates.

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