Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 2.56
 0.5
 1
 3.149

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Electric Circuits
Which of the following characteristics is/are attributed to an ideal independent voltage source?

 both ‘b’ and ‘d’.
 Independent of magnitude of current supplied..
 Independent of the magnitude of voltage supplied.
 Independent of the direction of flow of current.

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