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Electric Circuits

Electric Circuits
What is the SI unit of electric current ?

 Faraday.
None of these
 Ampere.
 Ohm.

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Electric Circuits
Link in network theory refers to

  N - B - 1.
  B - N - 1.
  B - N + 1.
  N - 1.

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Electric Circuits
When water is added to sulphuric acid

  acid particles get separated.
  colour of acid changes.
  water start boiling.
  lot of heat is generated.

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 200 Ω.
 50 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.

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Electric Circuits
Which of the following is the heaviest?

 Atom.
 Molecule.
 Proton.
 Electron.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Glass capacitor.
 Air capacitor.
 Mica capacitor.
 Electrolytic capacitor.

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MORE MCQ ON Electric Circuits

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