Q1: A single core 66 kV cable working on three phase system has a conductor diameter of 2 cm and a sheath of inside diameter 5.3 cm, if two intersheaths are introduced in such a way that the stress...

Extracted text: Q1: A single core 66 kV cable working on three phase system has a conductor diameter of 2 cm and a sheath of inside diameter 5.3 cm, if two intersheaths are introduced in such a way that the stress varies between the same maximum and minimum in the three layers, find (a)positions of intersheaths (b)voltage in the intersheaths (c)maximum and minimum stress.