Question

. In a concentric cable capacitor the
diameters of the inner and outer
cylinders are 3 and 10 mm respectively.
It er for insulation is 3, find its capaci-
tance per metre..
(a) 100 pF (6) 110 pF
(c) 118.8 pF (d) 138.8 pF​

Answer 1

Answer:

D 138.8 pF. Your answer is 138.8 pF