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Electric Circuits

Electric Circuits
In the figure given, the value of R is

 12 Ω.
 10 Ω.
 18 Ω.
 24 Ω.

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Electric Circuits
For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

  (8.66 - j5) A.
  (-8.66 - j5) A.
  (-9.66 + j5) A.
  (8.66 + j5) A.

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 series.
 parallel.
 either parallel or series.
None of these

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Electric Circuits
Nodal analysis can be applied for

 non planar networks.
 planar networks.
 both planar and non planar networks.
 neither planar and non planar networks.

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Electric Circuits
For steady state current inductor acts as

 Voltage source
 Current source
 Short circuit
 Open circuit

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 None of them
 -27.4 V.
 34.4 V.
 -28.4 V.

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