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Electric Circuits

Electric Circuits
The life of a lead acid battery is expected to be

 1 year.
 10 to 15 years.
 2 to 5 years.
 6 months.

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 maximum.
 VI.
 zero.
 minimum.

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Electric Circuits
Discrete values represent which type of signal

 Analog
 Decimal
 Discretal
 Digital

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

  (10 + j30) Ω.
 40 Ω.
 (5 + j10 / 3) Ω.
 (20 + j10) Ω.

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Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  40 kW.
  30 kW.
  35.6 kW.
  37.3 kW.

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Electric Circuits
Aluminium is produced from bauxite by

  oxidation.
  froth flotation.
  rotating.
  electrolytic process.

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MORE MCQ ON Electric Circuits

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