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Electric Circuits

Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 0°
 90°
 - 90°
 45°

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 N.
 N - 1.
 b - N + 1.
 b - N - 1.

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

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

 3 Ω and 9 Ω.
  1.5 Ω and 3 Ω.
 6 Ω and 9 Ω.
  3 Ω and 6 Ω.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2.5 A.
 1 A.
 2 A.
 4 A.

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 2 A.
 3 A.
 4 A.
 1 A.

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MORE MCQ ON Electric Circuits

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