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Electric Circuits

Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 current.
 voltage.
 power.
 resistance.

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Electric Circuits
What is the real power in AC operation?

 VIcosφ.
 Both option A and B.
 None of these.
 Apperant power × cosφ.

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Electric Circuits
Rms value is defined based on which of the following?

 Current
 Heating effect
 Charge transfer
 Voltage

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Zero
 Maximum
None of these
 Minimum

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Electric Circuits
Which of following materials has the least resistivity ?

  Zinc.
  Copper.
  Lead.
  Mercury.

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Electric Circuits
During charging, the electrolyte of a lead acid battery becomes

 weaker.
 there is no change in electrolyte.
 stronger.
 diluted with water.

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MORE MCQ ON Electric Circuits

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