Physics · Power Cables
What is the primary cause of insulation failure in underground electrical cables?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Moisture entering the insulation✓
- 2Change in pH values of the soil
- 3Thermal expansion of conductors
- 4Increase in resistance of the conductor
Correct answer
Moisture entering the insulation
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