Mathematics · Electrical Measurements
When the potential difference across the terminals of a PMMC meter instrument is 75 mV, it shows a full-scale deflection reading of 25 mA. What will be the required value of shunt resistance to extend its range for a full-scale deflection corresponding to 50 A?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1150 mΩ
- 21.5 mΩ✓
- 315 mΩ
- 40.15 mΩ
Correct answer
1.5 mΩ
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