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Electric Circuits

Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Series C.
 Parallel C.
 Series L.
 Parallel L.

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Electric Circuits
Which of the following Y-parameters is dimensionless?

 none of these.
 Y12.
 Y11.
 Y22.

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Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  30 kW.
  40 kW.
  35.6 kW.
  37.3 kW.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 0.5 A in parallel with 50 Ω.
 2 A with 50 Ω in parallel.
 2 A with 50 Ω in series.
 none of these.

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

  (10 + j30) Ω.
 (20 + j10) Ω.
 40 Ω.
 (5 + j10 / 3) Ω.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 2.
 4.
 Not possible.
 1.

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MORE MCQ ON Electric Circuits

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