In a balanced 3 phase 400 V connection, the line current is 115.5 A. When power is measured by two wattmeter method, one wattmeter reads 40 W and other zero. a) What is the power factor of the load? b) If the power factor were unity and line current same, what would be the reading of each wattmeter?

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Q21) I) please need correct answer fast!!
In a balanced 3 phase 400 V connection, the line current is 115.5 A. When power is measured
by two wattmeter method, one wattmeter reads 40 W and other zero.
a) What is the power factor of the load?
b) If the power factor were unity and line current same, what would be the reading of
each wattmeter?
Transcribed Image Text:In a balanced 3 phase 400 V connection, the line current is 115.5 A. When power is measured by two wattmeter method, one wattmeter reads 40 W and other zero. a) What is the power factor of the load? b) If the power factor were unity and line current same, what would be the reading of each wattmeter?
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