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Electric Circuits

Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Albumen.
 Glucose.
 Gelatine.
 Any of above.

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Electric Circuits
Electric flux is proportional to

 rate of change of potential difference.
 potential difference between electrodes.
 rate of change of current.
 resistivity of medium.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 100 N.
 10000 N.
 1000 N.
 10 N.

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Electric Circuits
What is form factor?

 Average value / Peak value.
 Instantaneous value / Average value.
 Average value / R.M.S. value.
  R.M.S. value / Average value.

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 resistance.
 impedance.
 all of these.
 power factor.

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Electric Circuits
The resistance of 200 W, 200 V lamp is

 800 Ω.
 100 Ω.
  200 Ω.
 400 Ω.

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MORE MCQ ON Electric Circuits

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