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Electric Circuits

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
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?

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

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 10 times greater than before.
 5 times smaller than before.
 5 times greater than before.
 25 times larger than before.

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 P/3.
 P.
 3P.
 √3P.

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

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Electric Circuits
For cadium plating electrolyte used is

 any of above.
 cadmium sulphate and sulphuric acid.
 sodium cyanide, cadmium and caustic soda.
 cadmium hexa metaphosphate.

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MORE MCQ ON Electric Circuits

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