Concept explainers
The electric quantities to be kept small to transmit electrical energy economically over large distances.
Answer to Problem 74A
Current and resistance of the wire.
Explanation of Solution
Introduction:
The thermal loss through a wire in time
Where, Iis the current and R is the resistance.
To have a low thermal loss in transmitting energy, the current and the resistance of the wire must be kept low.
Conclusion:
Hence, current and resistance should be low to transmit electrical energy economically through a large distance.
Chapter 22 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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