Physics · Electrical Measuring Instruments
Which of the following statements regarding a dynamometer-type wattmeter is INCORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both the fixed and moving coils are air-cored.
- 2It can be used only for alternating current (AC) circuits.✓
- 3Air friction damping is utilized in the instrument.
- 4The pressure coil serves as the moving coil.
Correct answer
It can be used only for alternating current (AC) circuits.
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