Slide 1 CH 20-1 Slide 2 Surface Charge Gradient +− High Potential Low Potential When a wire is connected to a battery, a surface charge gradient (i.e. variation) is “immediately”…
Slide 1 Lecture 6 Current and Resistance Chp. 27 Cartoon -Invention of the battery and Voltaic Cell Opening Demo - Lemon Battery Warm-up problem Physlet Topics Demos –Lemon…
Slide 1 1 Lecture 6 Current and Resistance Ch. 26 Cartoon -Invention of the battery and Voltaic Cell Warm-up problem Topics –What is current? –Current density –Conservation…
CURRENT AND CONDUCTIVITY 28.1. Solve: The wire's cross-sectional area is A = mz = ~ ( 1 . 0 x 10" m)' = 3.1415 x lo4 m2, and the electron current through this…