Electrical Engineering · Electrical Measuring Instruments
Which of the following is a disadvantage of a Permanent Magnet Moving Coil (PMMC) instrument?
- 1It consumes high power during operation.
- 2Its scale is non-uniform.
- 3It suffers from excessive hysteresis loss.
- 4It is more expensive compared to moving-iron instruments.✓
Correct answer
It is more expensive compared to moving-iron instruments.
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