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Electric Circuits

Electric Circuits
Which metal is deposited for electro forming?

  Silver.
  Chromium.
  Iron.
  Nickel.

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 4 A.
 1 A.
 2 A.
 3 A.

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Electric Circuits
Time constant is the time taken for response to rise -------of maximum value?

 90%
 100%
 68.3%
 63.2%

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

 111 ± 7.23 Ω.
  111 ± 5.55 Ω.
 111 ± 2.77 Ω.
  111 ± 0 Ω.

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Electric Circuits
Which of the following has least resistivity?

 Mercury.
 Aluminium.
 Lead.
 Copper.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 Cv.
 C / v.
 (1 / 2) Cv2.
 C dv / dt.

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MORE MCQ ON Electric Circuits

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