Physics · Electrical Measurements
In the two-wattmeter method of power measurement, for all lagging power factors between 0 and 0.5, how do the two wattmeters read?
- 1One shows a positive reading and the second shows a negative reading✓
- 2Both show negative readings
- 3One shows a positive reading and the second shows a zero reading
- 4Both show positive readings
Correct answer
One shows a positive reading and the second shows a negative reading
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