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Electric Circuits

Electric Circuits
The absolute charge of an electron is

 none of above.
 - 1.6 × 10-19 C.
 1.6 × 10-19 C.
 + 1.6 × 10-19 C.

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Electric Circuits
Air gap flux density is of the order of

  0.65 - 0.9 T.
  0.35 - 0.5 T.
 0.85 - 0.9 T.
 0.75 - 0.8 T.

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Electric Circuits
Electrolyte for silver plating is

  potassium nitrate solution.
  dilute sulphuric acid.
  any of above.
  double cyanide of silver and potassium solution.

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 1236 W.
 618 W.
 411.3 W.
 none of these.

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Electric Circuits
What would be the power given by source V2?

 0 W.
 - 5 W.
 10 W.
 5 W.

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Electric Circuits
The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem?

 Thevenin’s theorem.
 Millman’s theorem.
 Norton’s theorem.
 Superposition theorem.

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