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Electric Circuits

Electric Circuits
Which of following materials has the least resistivity ?

  Mercury.
  Lead.
  Copper.
  Zinc.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases?

 VL and VR.
 VL and Z.
 Z and I.
 VL and I.

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Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Lagging
 Leading
 Unity
 Zero

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Electric Circuits
A branch of a network is said to be active when it consists of one

 resistor.
 capacitor.
 voltage source.
 inductor.

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Electric Circuits
For cadium plating electrolyte used is

 sodium cyanide, cadmium and caustic soda.
 cadmium hexa metaphosphate.
 any of above.
 cadmium sulphate and sulphuric acid.

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Electric Circuits
Fillers in a lead acid battery are provided

 all of above.
 to prevent flow of gases.
 to recover acid loss through vapours.
 to facilitate flow of gases.

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MORE MCQ ON Electric Circuits

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