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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of i ?

 12 A.
 - 5 A.
  5 A.
 6 A.

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Electric Circuits
Which of following materials has the least resistivity ?

  Copper.
  Mercury.
  Lead.
  Zinc.

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Electric Circuits
Cells are connected in parallel in order to increase

 current capacity.
 life of the cells.
 voltage rating.
 efficiency.

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Electric Circuits
Which of the following defined the average value ?

 Heating effect
 Current
 Charge transfer
 Voltage

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Electric Circuits
A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V.

 36
 2
 8
 50

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Electric Circuits
To reduce hysteresis loss, we use

 laminated sheets.
 copper bars.
 soft-iron.
 CRGO steel.

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MORE MCQ ON Electric Circuits

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