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Electric Circuits

Electric Circuits
The energy stored by a capacitor is given by

 Q2 / 2C.
 1/2 QV.
 1/2 CV2.
 all of them.

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

 3.
 7.
 4.
 6.

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Electric Circuits
The lead acid cell should not never be discharged beyond

 1.8 V.
 1.9 V.
 2 V.
 2.1 V

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Electric Circuits
For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter?

 greater than
All of these
 less than
 equals to

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Electric Circuits
In ideal system coefficient of coupling(k) is

 1
 ∞
 0
 Both 2 and 3

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MORE MCQ ON Electric Circuits

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