Conductor X is connected to a cell of emf E. A power of 16 W is dissipated in X. Conductor Y is made from the same material with the same diameter as X but is twice as long. A cell of emf 2E is connected to Y. Both cells have negligible internal resistance. What power is dissipated in Y? E 2E 中心 Y Two long parallel wires P and Q are a distance d apart. They each carry a current.
Conductor X is connected to a cell of emf E. A power of 16 W is dissipated in X. Conductor Y is made from the same material with the same diameter as X but is twice as long. A cell of emf 2E is connected to Y. Both cells have negligible internal resistance. What power is dissipated in Y? E 2E 中心 Y Two long parallel wires P and Q are a distance d apart. They each carry a current.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 69P
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Transcribed Image Text:Conductor X is connected to a cell of emf E. A power of 16 W is dissipated in X.
Conductor Y is made from the same material with the same diameter as X but is twice
as long. A cell of emf 2E is connected to Y.
Both cells have negligible internal resistance.
What power is dissipated in Y?
E
2E
中心
Y
Two long parallel wires P and Q are a distance d apart. They each carry a current.
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