Physics · Electrical Installations
According to standard electrical engineering practices (such as Indian Standard codes), what is the minimum standard length required for a pipe or rod earthing electrode?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15.0 m
- 22.5 m✓
- 31.25 m
- 40.5 m
Correct answer
2.5 m
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