Show that the power loss in transmission lines, R , is given by P = (Pr)² RL/V², where Pr is the power transmitted to the user, V is the delivered voltage, and R_ is the resistance of the power lines.

Show that the power loss in transmission lines, R , is given by P = (Pr)² RL/V², where Pr is the power transmitted to the user, V is the delivered voltage, and R_ is the resistance of the power lines.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 9CQ: Why do transmission lines operate at very hig1 voltages while household circuits operate at fairly...

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Question

. Show that the power loss in transmission lines PL, is given
by PL where is the power transmitted to
the user, V is the delivered voltage, and is the resistance
of the power lines.

Show that the power loss in transmission lines, R , is given
by P = (Pr)² RL/V², where Pr is the power transmitted to
the user, V is the delivered voltage, and R_ is the resistance
of the power lines.

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