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Electric Circuits

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

 3 V.
 1 V.
 2 V.
 5 V.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 45°
 0°
 90°
 - 90°

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Electric Circuits
Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system?

 RBY.
 BYR.
 RYB.
 YBR.

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Electric Circuits
Which resistor will be physically larger in size?

 100 Ω, 10 W.
 1 k Ω, 1 W.
 10 Ω, 50 W.
 1 M Ω, 1/2 W.

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Electric Circuits
The number of electrons in the outer most orbits of carbon atom is

 6.
 4.
 7.
 3.

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Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Reciprocity theorem
 Thevinin's theorem
 Norton's theorem
 Compensation theorem

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