Answer / k.prakashchandra

Va is apparent power ,it is not generated but created by
load.The VA can be created in gen by varying the excitation
when connected to grid.

How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

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15 Answers   Blue Star,

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