A 215-KV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a1.10 x 10 resistance.(a) What is the resistance to ground of 50 of these insulators? (Assume the insulators are connected in parallel.)2.267Q(b) Calculate the power dissipated by 50 of them.XWhat is the voltage across the effective resistance? How can you find the power from the voltage and theresistance? W(c) What fraction of the power carried by the line is this?PxProtalWhat is the total power carried by the line?

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A 215-KV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.10 x 10 resistance. (a) What is the resistance to ground of 50 of these insulators? (Assume the insulators are connected in parallel.) 2207 9 (b) Calculate the power dissipated by 50 of them. X What is the voltage across the effective resistance? How can you find the power from the voltage and the resistance? W (c) What fraction of the power carried by the line is this? P X Protal

A 215-KV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.10 x 10 resistance. (a) What is the resistance to ground of 50 of these insulators? (Assume the insulators are connected in parallel.) 2207 9 (b) Calculate the power dissipated by 50 of them. X What is the voltage across the effective resistance? How can you find the power from the voltage and the resistance? W (c) What fraction of the power carried by the line is this? P X Protal

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 60PE: Integrated Concepts (a) What energy is dissipated by a lightning bolt having a 20,000-A current, a...

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