Physics · Electrical Measurements
What is the main reason for supplying AC current to the electrodes while measuring earth resistance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To protect the wire winding in the meter
- 2To provide electrostatic shielding
- 3To eliminate the effects of electrolytic EMF and stray currents✓
- 4To reduce the current value in the meter
Correct answer
To eliminate the effects of electrolytic EMF and stray currents
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