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Electric Circuits

Electric Circuits
In a series resonant circuit impedance is

 none of these.
 zero.
 minimum.
 maximum.

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 5.2.
 0.6.
 6.
 3.4.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 70.7 A.
 282.8 A.
 150 A.
 141.4 A.

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Electric Circuits
The term trickle charge is associated with

 silver zinc battery.
 nickel iron battery.
 dry cell.
 lead acid battery.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 0.5 kΩ, 2 W.
 2 kΩ, 1 W.
 1 kΩ, 1 W.
 2 kΩ, 0.5 W.

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 minimum.
 VI.
 zero.
 maximum.

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MORE MCQ ON Electric Circuits

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