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Electric Circuits

Electric Circuits
In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is

 6 A.
 10 A.
 8 A.
 12 A.

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Electric Circuits
The term trickle charge is associated with

 silver zinc battery.
 nickel iron battery.
 lead acid battery.
 dry cell.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 1
 10
 2.5
 - 1.25

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 13.7 Ω.
 11.3 Ω.
 9.6 Ω.
 27.4 Ω.

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Electric Circuits
What is the reactive power in AC operation?

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

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 5 W.
 1 W.
  64 W.
 10 W.

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MORE MCQ ON Electric Circuits

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