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Electric Circuits

Electric Circuits
In which braking back emf exceeds supply voltage?

  Plugging.
  None of these.
  Regenerative.
  Dynamic.

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Electric Circuits
An electrical circuit with 10 branches and 7 nodes will have

 7 loop equations.
 3 loop equations.
  10 loop equations.
  4 loop equations.

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Electric Circuits
Which of the following is not equivalent to watts?

 Amperes/volt.
 Ampere-volts.
 Ampere2 – Ohm.
 Joules per second.

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Electric Circuits
The linear circuit element is

 resistor.
 inductor.
 capacitor.
 all of above.

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Electric Circuits
In the above question find the angle between voltage and current?

 30.
 54.74.
 90.
 60.

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Circle
 Semicircle
 Triangle
 Straight line

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MORE MCQ ON Electric Circuits

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