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Electric Circuits

Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 10 A.
 6 A.
 4 A.
 5 A.

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Electric Circuits
The unit of electric field intensity is

 F/ m2.
 N / C.
 F / m.
 N / Ampere.

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Electric Circuits
The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is

 1 V.
 2 V.
 -1 V.
 -2 V.

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Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 1.15.
 0.
 1.

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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?

 RYB.
 BYR.
 YBR.
 RBY.

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Electric Circuits
If a large resistance is connected in parallel to a small resistance then net resistance will be

 smaller than the greater but larger than the smaller resistance.
None of these
 greater than the large resistance.
 smaller than the small resistance.

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