Q. A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become

(A) one half
(B) double
(C) four times
(D) none of the above

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✅ Correct Answer: (A) one half

Published by Nisha Gupta ⭐ 2.32K Points at 14-May-2023 07:44 pm in Cables

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