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Electric Circuits

Electric Circuits
By which of the following elements transients will not occur?

All of these
 L
 R
 C

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εrε0
 ε0
 εr/ε0
 εr

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-24 Kg.
 1.6 × 10-19 Kg.
  1.6 × 10-27 Kg.
 1.6 × 10-13 Kg.

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

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?

 VL and Z.
 Z and I.
 VR and I.
 VL and VR.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 heavy charging.
 trickle charging.
 incomplete charging.

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MORE MCQ ON Electric Circuits

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