If the medium is different than air, then what would be the equation of capacitance for a co-axial cable capacitor?
A. C = ε0 εr A / d
B. C = 4π ε0 εr [ab / a – b]
C. C = 2π ε0 εr L / ln (b/a)
D. C = 2π ε0 εr R
Answer:C
If the medium is different than air, then what would be the equation of capacitance for a co-axial cable capacitor?
A. C = ε0 εr A / d B. C = 4π ε0 εr [ab / a – b] C. C = 2π ε0 εr L / ln (b/a) D. C = 2π ε0 εr R