Electrical Engineering · Electrical Measurements
Why is an electrodynamometer-type wattmeter used as a standard instrument in laboratories?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It requires no external power supply
- 2It is cheaper than other wattmeters
- 3It has high accuracy and precision, with identical calibration for both AC and DC✓
- 4It works only for low-power circuits
Correct answer
It has high accuracy and precision, with identical calibration for both AC and DC
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