Mathematics · Electrostatics and Cables

A single-core cable has a core diameter of 2.5 cm and an insulation thickness of 1.25 cm. The resistivity of the insulation is 4.5 × 1014 Ω-cm. Find the insulation resistance per km.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

495 MΩ

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