A high-voltage electricity transmission line is hung from metal towers with glass insulators having a resistance of 0.85 × 109 Ω each. What current, in milliamperes, flows through an insulator if the voltage is 180 kV?

A high-voltage electricity transmission line is hung from metal towers with glass insulators having a resistance of 0.85 × 109 Ω each. What current, in milliamperes, flows through an insulator if the voltage is 180 kV?

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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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

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A high-voltage electricity transmission line is hung from metal towers with glass insulators having a resistance of 0.85 × 10⁹Ω each. What current, in milliamperes, flows through an insulator if the voltage is 180 kV?

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