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Electric Circuits

Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y21.
 Y12 = Y22.
 Y11 = Y12.

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Electric Circuits
Which resistor will be physically larger in size?

 1 k Ω, 1 W.
 1 M Ω, 1/2 W.
 100 Ω, 10 W.
 10 Ω, 50 W.

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Electric Circuits
Which property is used to oppose the flow of current ?

 Poteintial difference
 Inductance
 Capacitance
 Resistance

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is

 50.5 V.
  31.9 V.
  39.1 V.
 45.5 V.

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Electric Circuits
A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance?

 47.1 Ω.
 48.15 Ω.
 None of these.
 1.5 Ω.

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Electric Circuits
What is form factor?

  R.M.S. value / Average value.
 Instantaneous value / Average value.
 Average value / Peak value.
 Average value / R.M.S. value.

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