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.

 1
 0.5
 2.56
 3.149

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Electric Circuits
What is called the instantaneous value of an alternating current?

 The value of alternating frequency at any instant.
 The value of peak quantity at any instant.
 The value of alternating quantity at any instant.
 The value of peak current at any instant.

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