Lec-3 - Previous Lectures Field of a point charge 1Q r E= 2...

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Previous Lectures Field of a point charge: E = 1 4 π± 0 Q r 2 ˆ r Field of a line of charge: E = 1 2 π± 0 λ r ˆ r Field of an infinite plane of charge (from recitation): E = σ 2 ± 0 (points away from plane) September 5, 2011 – p.
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Reminder: Quiz Tomorrow The Wednesday homework quizzes will consist of one of previous week’s problems, with the numbers changed. Detailed solutions to the homework problems are available on the class web site. – p.
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Today Electric field between parallel plates Electron trajectories in electric field Gauss’s Law – p.
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Field of Parallel Plates Superposition E = E + + E - . Outside both plates E =0 . Between plates E = σ/± 0 compare Fig. 21-27 – p.
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Field of Parallel Plates – p.
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E Example 21.8 q E = F = m a a = q E /m =( e ) E /m A constant E leads to a constant acceleration, just like gravity. The analysis of the electron trajectory in this case uses ideas from Physics 11: v = v x ˆ i + v y ˆ j , and each component of velocity is treated separately. F
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Lec-3 - Previous Lectures Field of a point charge 1Q r E= 2...

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