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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 any of the above
 less than
 greater than
 equals to

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Electric Circuits
The energy stored by a capacitor is given by

 all of them.
 1/2 QV.
 Q2 / 2C.
 1/2 CV2.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses and input.
 output and input.
 losses.
 losses and output.

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Electric Circuits
In delta connected circuit when one resistor is open, then power will be

 0.
  remain unchanged.
 increased by factor of 3.
 reduced by the factor of 3.

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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
 An Impulse
 AC only
 Either AC or DC

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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.
 9.6 Ω.
 27.4 Ω.
 11.3 Ω.

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MORE MCQ ON Electric Circuits

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