Electrical Engineering · Electrical Measurements
Which of the following statements is true regarding the type of current measured by a PMMC (Permanent Magnet Moving Coil) instrument?
- 1It is primarily used for high-frequency AC measurements.
- 2It measures only the RMS value of AC current.
- 3It measures only the DC or average value of the current.✓
- 4It can measure both AC and DC values.
Correct answer
It measures only the DC or average value of the current.
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