Electrical Engineering · Electrical Measurements
The total power in an unbalanced 3-phase 4-wire circuit can be measured accurately by using a minimum of how many wattmeters?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 wattmeter
- 22 wattmeters
- 33 wattmeters✓
- 44 wattmeters
Correct answer
3 wattmeters
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