Electrical Engineering · Earth Resistance Testing
During earth resistance testing using the 3-point (fall-of-potential) method, what is the function of the two auxiliary electrodes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both are used to measure soil moisture
- 2To supply power to the earth electrode
- 3One measures voltage and the other passes current✓
- 4To measure voltage drop only
Correct answer
One measures voltage and the other passes current
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