Physics · Power Systems
In a 3-core underground cable, the core-to-sheath capacitance and core-to-core capacitance are measured using specific test setups. In one standard measurement, the capacitance is measured:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Between the sheath and earth ground only
- 2Between each individual core and the sheath, with the other two cores left open
- 3Only between the three cores, with the sheath left unconnected (floating)
- 4Between one core and the combination of the other two cores, with the sheath connected together✓
Correct answer
Between one core and the combination of the other two cores, with the sheath connected together
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