Physics · Electrical Measuring Instruments
If one of the control springs of a permanent magnet moving coil (PMMC) ammeter is broken, what will the meter read when connected in an active circuit?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1An indefinite fluctuating figure
- 2Twice the correct value of the current
- 3Half the correct value of the current
- 4Zero✓
Correct answer
Zero
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