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Electric Circuits

Electric Circuits
Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner?

 9 Ω.
 3 Ω.
 6 Ω.
  2 Ω.

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

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

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Electric Circuits
KCL works on the principle of which of the following

 law of conservation of charge.
 both.
 law of conservation of energy.
None of these

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Electric Circuits
What is represented by the hypotenuse of impedance triangle?

 Impedance drop.
 Reactance drop.
 Apparent power.
 Resistance drop.

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Electric Circuits
What is the reactive power in AC operation?

 Apparent power × cosθ.
 Real power × sinθ.
 Apparent power × sinθ.
 Real power × cosθ.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 both 1 and 2.
 positive co-efficient.
 negative co-efficient.
None of these

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