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Electric Circuits

Electric Circuits
For symmetrical wave form average value of one full cycle is

 2.22
 1.11
 1
 0

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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

 1:2.
 1:1.
 1:8.
 4:1.

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Electric Circuits
In the above question find the angle between voltage and current?

 30.
 54.74.
 60.
 90.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 1.5 V.
 3 V.
 5 V.
 15 V.

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 none of these.
 618 W.
 1236 W.
 411.3 W.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 zero, infinite
 infinite, zero
 infinite, infinite
 zero, zero

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MORE MCQ ON Electric Circuits

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