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Electric Circuits

Electric Circuits
Container of a lead acid battery

 celluloid.
 ceramics.
 molded hard rubber.
 any of above.

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

  (Zsc . Zoc)½
 Zsc/Zoc
 Zsc-Zoc
 Zsc+Zoc

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Electric Circuits
A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF.

 0.1C, 10MW.
 0.01C, 10MW.
 0.1C, 100MW.
 0.01C and 5W.

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Electric Circuits
Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be

  + 6 %.
 + 7 %.
 + 8 %.
  + 5 %.

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Electric Circuits
In the circuit shown below if I = 2 A then find V?

 5 V.
 3 V.
 1 V.
 2 V.

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Electric Circuits
Which of the following has no units?

 Permittivity
 Magnetic susceptibility
 Moment of a magnet
 Permeability

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MORE MCQ ON Electric Circuits

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