Physics · Electrical Earthing and Standards
According to standard electrical engineering practices, if a strip electrode used for earthing is made of copper, its cross-sectional area and thickness must not be less than which of the following dimensions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 mm × 3.0 mm
- 220 mm × 2.0 mm
- 310 mm × 3.0 mm
- 425 mm × 1.6 mm✓
Correct answer
25 mm × 1.6 mm
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