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Electric Circuits

Electric Circuits
The electrical resistance of human body is around

  5 ohms.
  250 ohms.
  25 ohms.
  1000 ohms.

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Electric Circuits
Kirchhoffs laws are valid for

  both linear and non-linear circuits.
  passive time invariant circuits.
  linear circuit only.
  non-linear circuits only.

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Electric Circuits
A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it?

 3 × 102 joules.
 4 × 102 joules.
 2.5 × 102 joules.
 6 × 102 joules.

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Electric Circuits
A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be

 40 Ω.
 15 Ω.
 20 Ω.
 30 Ω.

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Electric Circuits
Condition for reciprocity in case of ABCD parameters is

 AD-BC = 1 .
 AD-BC = 0.
  AB-CD = 0.
 AB-CD = 1.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in parallel.
 in 4 parallel rows each row having 3 cells in series.
 all 12 in series.
 in 3 parallel rows each row having 4 cells in series.

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MORE MCQ ON Electric Circuits

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