a-coaxial-cable-has-an-internal-conductor-with-a-radius-of-1-mm-and-an-external-

Question

A coaxial cable has an internal conductor with a radius of 1 mm and an external conductor with a radius of 3 mm. The voltage difference between them is set to be -500 V. What is the electric field at the surface of the internal conductor?

Accepted Answer

-$$4.6 × 10^{5 }N / C$$

Answer

-$$2.6 × 10^{5 }N / C$$

Answer

-$$5.6 × 10^{5 }N / C$$

Answer

-$$6.6 × 10^{5 }N / C$$