lecture4 - Electric Field •Field of a continuous charge...

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Unformatted text preview: Electric Field •Field of a continuous charge distribution •Electric Field Lines •Motion of charged particles ext 23.6, 23.7 Text 23.6, 23.7 Practice: •Chapter 23, problems 33, 35, 39, 41, 42, 43, 49 • Field of several point charges q i : i i i i e r r q k E ˆ ∑ = 2 r • Field of continuous charge distribution: ∫ = r r d q k E e ˆ 2 r In 2D problems, integrate components separately: ) (cos 2 θ ∫ ∫ = = r dq k dE E x x x-component of r ˆ ....... = = ∫ y y dE E Exercise: Exercise: Uniformly Uniformly-Charged Ring Charged Ring x y ( x ,0) R Study the solution in the text (Chapter 23) Total charge Q, uniform charge/unit length, radius R Find : E at any point ( x , 0) on the axis of the ring Example: Example: Uniformly Uniformly-Charged Charged Semicircle Semicircle R y Charge/unit length, , is uniform λ Find : at origin E r x Electric Field Lines Electric Field Lines Electric field lines are a way of visualising the field....
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This note was uploaded on 02/17/2011 for the course PHYSICS 1E03 taught by Professor Jopko during the Spring '08 term at McMaster University.

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lecture4 - Electric Field •Field of a continuous charge...

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