Mathematics · Electrical Engineering Calculations
A single-core cable has a core diameter of 2.5 cm and an insulation thickness of 1.25 cm. If the resistivity of the insulation is 4.5 × 1014 Ω·cm, calculate the insulation resistance per km of the cable.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1861 MΩ
- 2584 MΩ
- 3412 MΩ
- 4495 MΩ✓
Correct answer
495 MΩ
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