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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Gausss law.
 Ohms law.
 Coulombs law.
 Faradays law.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 - 1.25
 2.5
 10
 1

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Electric Circuits
The electron is lighter than a proton by a factor of about

 18400.
 1840.
 18.4.
 184.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 32.1o.
 28.8o.
 20.2o.
 40.4o.

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Electric Circuits
Disadvantages of constant k type filter

  attenuation does not increase rapidly beyond cut off frequency.
  both A and B.
  characteristic impedance unchanged in pass band.
  none of these.

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Electric Circuits
Which of the following is the correct relation?

 all of these.
 AB-CD = 1 .
 AD-BC = 1.
 AC-BD = 1.

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MORE MCQ ON Electric Circuits

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