Electrical Engineering · Electrical Measurements and Instrumentation
With reference to Permanent Magnet Moving Coil (PMMC) instruments, which of the following statements are correct? I. The scale for PMMC instruments is non-uniform. II. PMMC instruments can be used directly for both AC and DC measurements. III. The power consumption in PMMC instruments is low. IV. PMMC instruments offer a high torque-to-weight ratio.
- 1I and II
- 2II and IV
- 3III and IV✓
- 4I and III
Correct answer
III and IV
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