Statement of a problem № 41385


The inner conductor of a coaxial cable has a radius of 0.800 mm, and the outer conductor’s inside radius is 3.00 mm. The space between the conductors is filled with polyethylene, which has a dielectric constant of 2.30 and a dielectric strength of 18.0 x 106 V/m. What is the maximum potential difference that this cable can withstand?

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