Physics · Measuring Instruments
Which of the following is considered a DISADVANTAGE rather than an advantage of a Permanent Magnet Moving Coil (PMMC) instrument?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It can be used with shunts and multipliers for a wide range of current and voltage.
- 2Its operating fields are not significantly affected by stray magnetic fields.
- 3Frictional error is present due to jewel-pivot suspension.✓
- 4It displays no hysteresis loss.
Correct answer
Frictional error is present due to jewel-pivot suspension.
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