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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 1msec
 2msec
 4msec
 100sec

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 0°
 - 90°
 90°
 45°

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Electric Circuits
Which of following is invariably seen in an electroplating plant?

  Barrel.
  Distilled water.
  Rectifier.
  Carbon brushes.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 1 A.
 0.316 A.
 0.1 A.
 0.01 A.

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Electric Circuits
The mass of a proton is

 1.675 × 10 - 27 Kg.
 1.672 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.
 1.609 × 10 - 31 Kg.

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Electric Circuits
Which metal is deposited for electro forming?

  Iron.
  Silver.
  Chromium.
  Nickel.

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MORE MCQ ON Electric Circuits

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