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Electric Circuits

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

 90.
 30.
 54.74.
 60.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  - 50 V.
  none of above.
 50 V.
  30 V.

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 100 Ohms.
 400 Ohms.
 50 Ohms.
 200 Ohms.

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Electric Circuits
While Thevenizing a circuit between two terminals, VTH is equal to

 open circuit terminal voltage .
 short circuit terminal voltage.
 net voltage available in the circuit.
 none of these.

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Electric Circuits
Which of the following is the heaviest?

 Molecule.
 Proton.
 Atom.
 Electron.

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Electric Circuits
In the figure, the potential difference between points P and Q is

 6 V.
 12 V.
 - 6 V.
 10 V.

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MORE MCQ ON Electric Circuits

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