engineering recuitment HPCL Junior Executive 2025 Mock Test Electrical and Electronics Measurements Indicating Instruments PMMC Instrument
Which of the following are the advantages of PMMC (Permanent-Magnet Moving Coil) instruments? Select all that apply.
1. The scale of the instrument is uniformly divided.
2. It is easy to measure quantities with this instrument.
3. PMMC instruments have high power consumption.
4. The torque to weight ratio of PMMC instruments is low.
1
1, 2, 3 & 4
2
1, 2 & 3
3
1 & 2
4
Only 1