Physics · Electrical Measurement
During earth resistance testing using the 3-point 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 content
- 2To supply power to the main earth electrode
- 3One measures voltage drop and the other passes test current✓
- 4To measure voltage drop only
Correct answer
One measures voltage drop and the other passes test current
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