Un cable coaxial utilizado en una linea de trasmision tiene un interior de radio de 0,10 mm y uno exterior de 0,60mm para 0,5 metros de distancia. Calcular la capacitancia para un dieléctrico de k-2,6

I don't speak Spanish but i can understand it here's the answer hope you understand it

The capacitance of a cylindrical capacitor is given by:

2πkε0L

C = kCO =

In(b/a)

Where C0 is the capacitance without the dielectric, k is the dielectric constant, L is the length, a is the inner radius, and b is the outer radius. The capacitance per unit length of the cable is :

_

C 2πkε0. 2π(2.6)(8.85 × 10 ¹² F/m)

--- = =

L In (b/a) In [(0.60mm)/(0.10mm)]

_

8.1 ×10 ¹¹ F/m = 81pF/m.

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