Calculated for each method of connection the line current and reading

Posted on 2014-02-04 13:52:00 in Physics by EVANS

Three identical coils, each having a reactance of 20 ? and a resistance of 20 ? are connected in (i) star (ii) delta across 440 V, 3 - ? supply. Calculated for each method of connection the line current and reading on each of the two wattmeters meters connected to measure power.

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