Electrical Engineering · Earthing and Grounding Measurement
What is the reason for supplying AC instead of DC to the electrodes when measuring earth resistance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Subtracting the current value from the meter reading
- 2Eliminating the effect of electrolytic EMF interference✓
- 3Providing electrostatic shielding
- 4Protecting the coiled wire in the meter
Correct answer
Eliminating the effect of electrolytic EMF interference
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