Question: A single core cable 5 km long has an insulation resistance of 0-4 M2. The core diameter is 20 mm and the diameter of

A single core cable 5 km long has an insulation resistance of

A single core cable 5 km long has an insulation resistance of 0-4 M2. The core diameter is 20 mm and the diameter of the cable over the insulation is 50 mm. Calculate the resistivity of the insulating material. Ans: p = 13.72 10 22.m

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