Oil-filled cable has a working stress of __________ kV/mm (A) 10 (B) 12 (C) 13 (D) 15

Oil-filled cable has a working stress of __________ kV/mm
(A) 10 (B) 12
 (C) 13 (D) 15
by

1 Answer

Answer :

Ans: D
 This is defined by dielectric strength of mineral oil i.e. 15 kV/mm.
by

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