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Electric Circuits

Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 2.4 A.
 4.8 A.
 1.2 A.
 1.5 A.

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 b - N + 1.
 N.
 b - N - 1.
 N - 1.

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Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Steel.
  Copper.
  Silver.
  Aluminium.

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Electric Circuits
What is the reactive power in AC operation?

 Real power × cosθ.
 Apparent power × sinθ.
 Apparent power × cosθ.
 Real power × sinθ.

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Electric Circuits
What is the real power in AC operation?

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

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 polarization current.
 proton current.
 electron current.
 ionization current.

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MORE MCQ ON Electric Circuits

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