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Electric Circuits

Electric Circuits
The capacity of a cell is measured in

  watt-hours.
  amperes.
  ampere-hour.
  watts.

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

None of these
 27∠30o Ω
 30∠30o Ω.
 3∠30o Ω.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 300 mA.
 100 mA.
 3 A.
 30 mA.

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

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

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per volt.
  mg per coulomb.
  mg per kW.
  mg per kVA.

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Electric Circuits
What is the relation between time period T and frequency?

 T = frequency.
 T = 1 / frequency.
 T = 0.5 / frequency.
 T = 0.85 / frequency.

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MORE MCQ ON Electric Circuits

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