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Re: [Phys-L] circular definition of "success" .... was: standard DC circuits



-----Original Message-----
From: Phys-l [mailto:phys-l-bounces@phys-l.org] On Behalf Of John Denker
Sent: Monday, December 02, 2013 2:40 AM
To: Phys-L@Phys-L.org
Subject: Re: [Phys-L] circular definition of "success" .... was: standard DC
circuits


There are standard ways of visualizing what's going on. The operating curve
(aka load line) for an ideal battery is shown here, plotted in the (charge,
voltage) plane:
http://www.av8n.com/physics/img48/battery-operating-curve.png

What charge is plotted here? The charge on the positive terminal of the battery? How is the charge changed? How is the charge measured?