The breakdown of insulation of the cable can be avoided economically by the use of___________?
(A) inter-sheaths
(B) insulating materials with different dielectric constants
(C) both (A) and (B)
(D) none of the above
The breakdown of insulation of the cable can be avoided economically by the use of___________?
(A) inter-sheaths
(B) insulating materials with different dielectric constants
(C) both (A) and (B)
(D) none of the above
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