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Electric Circuits

Electric Circuits
In the network shown, what is the current I in the direction shown?

 0 A.
 5 / 6 A.
 4 A.
 1 / 3 A.

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Electric Circuits
A constant voltage source has

 low internal resistance.
 high internal resistance.
 minimum efficiency.
 minimum current capacity.

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Electric Circuits
Super mesh analysis is used in case of

 both.
 either 1 or 2.
 ideal voltage source is connected between two non reference nodes.
 current source branch is common for two meshes.

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Electric Circuits
When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

 in either series or parallel.
 mixed.
 as in series.
 in parallel.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75V, 5/6 Ohm
 1.5V, 5/6 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 1.5 Ohm

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

  4.123 V.
  5 V.
 {3 + 2(1.141)} V.
 7 V.

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MORE MCQ ON Electric Circuits

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