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Electric Circuits

Electric Circuits
In what connection we get neutral?

  Star.
  Both A and B.
  Delta.
  Mesh.

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 two in parallel and one in series.
 three in series.
 three in parallel.
 two in parallel.

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 impedance.
 power factor.
 resistance.
 all of these.

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Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Unity
 Lagging
 Zero
 Leading

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Electric Circuits
Select the wave that has the least value of form factor.

 Rectangular wave.
 Triangular wave.
 Sine wave.
 Square wave.

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Electric Circuits
Super mesh analysis is used in case of

 current source branch is common for two meshes.
 both.
 ideal voltage source is connected between two non reference nodes.
 either 1 or 2.

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