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Electric Circuits

Electric Circuits
The voltage across the 1 Ω resistor between the nodes A and B of the network shown in the given figure is

 4 V.
 2 V.
 3 V.
 1 V.

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 DC only
 AC only
 Either AC or DC
 An Impulse

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Electric Circuits
Laplace transform analysis gives

 time domain response only.
 frequency domain response only.
 real response only.
 both (a) and (b).

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  5 A.
  8.85 A.
  50 A.
  zero.

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Electric Circuits
The life of a lead acid battery is expected to be

 1 year.
 6 months.
 10 to 15 years.
 2 to 5 years.

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:2.
 1:8.
 1:1.
 4:1.

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MORE MCQ ON Electric Circuits

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