For a hollow coaxial cable which has inner radius of 1.7cm, outer radius of 2.8cm and has a length of 30m. calculate, a. Capacitance per meter b. Total Energy stored in the cable if a potential of 400v is applied across the cable. c. Determine the change in energy if an insulating material with relative permittivity 5.5 is introduced between the coaxial cable with same potential of 400v is applied across the cable.

For a hollow coaxial cable which has inner radius of 1.7cm, outer radius of 2.8cm and has a length of 30m. calculate, a. Capacitance per meter b. Total Energy stored in the cable if a potential of 400v is applied across the cable. c. Determine the change in energy if an insulating material with relative permittivity 5.5 is introduced between the coaxial cable with same potential of 400v is applied across the cable.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 5RQ: What are interpoles, and what is their purpose?

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Question

For a hollow coaxial cable which has inner radius of 1.7cm, outer radius of 2.8cm and has a length of 30m.
calculate,
a. Capacitance per meter
b. Total Energy stored in the cable if a potential of 400v is applied across the cable.
c. Determine the change in energy if an insulating material with relative permittivity 5.5 is introduced
between the coaxial cable with same potential of 400v is applied across the cable.

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