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Electric Circuits

Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 50 ohms.
 5000 ohms.
 1000 ohms.
 500 ohms.

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

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

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Electric Circuits
Which of the following is the heaviest?

 Electron.
 Proton.
 Atom.
 Molecule.

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Electric Circuits
In RLC parallel circuit to get Q>1 which of the following is required?

All of these
 XL=R
 XL
 XL>R

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Electric Circuits
During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

  valency.
  atomic weights.
  chemical equivalents.
  atomic numbers.

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Electric Circuits
Which metal is deposited for electro forming?

  Silver.
  Chromium.
  Nickel.
  Iron.

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MORE MCQ ON Electric Circuits

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