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I've been studying DC circuits recently, but I've run into some confusion concerning how batteries deliver energy to circuit elements.
From what I've read online, it seems that energy in circuits comes from waves that propagate through charges rather than the charges themselves. However, my book seems to convey that charges "pick up" potential energy at a battery and lose it in circuit elements.
These models of how energy is transferred seem to contradict each other. Which is right? And if the wave theory is right, then what does current or voltage have to do with it? Rather, how do current, voltage, and resistance explain the strength and properties of this wave?
If this matters, I'm using Halliday-Resnick-Krane 5th Edition Physics textbook.