Physics · Electrical Instruments
What is a drawback of a Permanent Magnet Moving Coil (PMMC) instrument?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High power consumption
- 2Relatively high cost as compared to moving iron instruments✓
- 3Low torque / weight ratio
- 4Absence of effective and efficient current damping
Correct answer
Relatively high cost as compared to moving iron instruments
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