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Electric Circuits

Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 3 V.
 1 V.
 2 V.
 4 V.

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Electric Circuits
What is the unit of potential difference ?

 Ampere
 Watt
 Volt
 Ohm

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Electric Circuits
The resistance of 100 W, 200 V lamp is

 800 Ω.
 400 Ω.
 200 Ω.
 1600 Ω.

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 50 % of the original load.
 66.66 % of the original load.
 33.33 % of the original load.
 25 % of the original load.

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Electric Circuits
A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is

 480∠45o V.
 480∠ - 45o V.
 339∠- 45o V.
 339∠45o V.

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 2 A.
 1 A.
 3 A.
 4 A.

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MORE MCQ ON Electric Circuits

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