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Electric Circuits

Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2 A.
 2.5 A.
 4 A.
 1 A.

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Electric Circuits
For closer tolerance which of the following capacitors is usually preferred?

 Ceramic disc capacitor.
 Paper capacitor.
 None of them.
 Mica capacitor.

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Electric Circuits
What is represented by the hypotenuse of impedance triangle?

 Reactance drop.
 Impedance drop.
 Resistance drop.
 Apparent power.

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 4:1.
 1:2.
 1:8.
 1:1.

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Electric Circuits
A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

 250 V.
 250 / √3 V.
 200 V.
 250 √3 V.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Mica capacitor.
 Electrolytic capacitor.
 Air capacitor.
 Glass capacitor.

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MORE MCQ ON Electric Circuits

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