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Electric Circuits

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

 10 V.
 6 V.
 - 6 V.
 12 V.

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Electric Circuits
Magnetic flux has the unit of

 Newton
 Ampere turn
  Tesla
 Weber

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 1.5 Ohm and 3 Ohm.
 1.25 Ohm and 3.25 Ohm.
 2.2 Ohm and 2.3 Ohm.
 2 Ohm and 2.5 Ohm.

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Electric Circuits
In which of the circuits power factor can be zero?

 capacitive.
 resistive.
 both ‘a’ and ‘b’
 inductive.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 (1 / 2) Cv2.
 C dv / dt.
 Cv.
 C / v.

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Electric Circuits
Lowest current density is generally recommended for plating of

 bronze.
 chromium.
 silver.
 cadmium.

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MORE MCQ ON Electric Circuits

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