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Electric Circuits

Electric Circuits
A branch of a network is said to be passive when it contains

 voltage source.
 current source.
 battery.
 voltmeter.

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 6.
 R / 4.
 R / 2.
  R / 3.

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 resistance.
 voltage.
 current.
 power.

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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 phase angle of current in respect of supply voltage will be

 20.2o.
 40.4o.
 28.8o.
 32.1o.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 4.547 W.
 1.875 W.
 15.247 W.
 9 W.

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Electric Circuits
Super position theorem is not applicable for

 current calculations.
 voltage calculations.
None of these
 power calculations.

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MORE MCQ ON Electric Circuits

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