Electrical Engineering · Electrical Measurements
Why is a dynamometer-type wattmeter equipped with mirror-type scales and knife-edge pointers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To eliminate reading errors due to parallax✓
- 2To facilitate controlling force
- 3To facilitate proper damping
- 4To eliminate eddy current and hysteresis losses
Correct answer
To eliminate reading errors due to parallax
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