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Electric Circuits

Electric Circuits
A paper capacitor is usually available in form of

 rolled foil.
 disc.
 tubes.
 meshed plates.

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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
 Zsc-Zoc
 Zsc/Zoc
  (Zsc . Zoc)½

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Electric Circuits
Reciprocity condition for h parameters is

 h12 = h21.
 h11h22 - h21h12 = 0.
 h12 = - h21.
 h12 = h21.

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Oil impregnated paper.
 Titanium oxide.
 Vacuum, air.
 Glass.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 4.547 W.
 15.247 W.
 9 W.
 1.875 W.

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 0.6.
 5.2.
 3.4.
 6.

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MORE MCQ ON Electric Circuits

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