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Electric Circuits

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

 b - N + 1.
 N - 1.
 b - N - 1.
 N.

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Electric Circuits
Container of a lead acid battery

 celluloid.
 any of above.
 molded hard rubber.
 ceramics.

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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

 Either AC or DC
 DC only
 An Impulse
 AC only

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Electric Circuits
A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be

  0.032 Ω.
 0.064 Ω.
  0.128 Ω.
 0.016 Ω.

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Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 2 A.
 3 A.
 4 A.
 0 A.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j2 ) pu
 (2 + j4) pu
 (4 + j3) pu
 (3 + j4) pu

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MORE MCQ ON Electric Circuits

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