Illustrate with simulation 12

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Unformatted text preview: , Slide 4 Physics 212 Lecture 3, Slide Preflight 8 Preflight 3 1 00 80 60 40 20 0 “The electric field lines of 1 are dense.” Illustrate with simulation: 12 Physics 212 Lecture 3, Slide 5 Physics 212 Lecture 3, Slide Preflight 10 100 80 60 40 20 0 “The field lines connect the charges so they signs must be opposite, however, there are no arrows to show us the direction of the lines and therefore the signs cannot be determined .” 13 Physics 212 Lecture 3, Slide 6 Physics 212 Lecture 3, Slide Preflight 12 Preflight 3 100 80 60 40 20 0 “The field lines are denser around point The B so the electric field there is greater .” so .” 15 Physics 212 Lecture 3, Slide 7 Physics 212 Lecture 3, Slide BB Point Charges -q +2q What charges are inside the red circle? ­Q ­2 Q +Q +Q +2 Q +Q A 18 ­Q B C D ­Q E Physics 212 Lecture 3, Slide 8 Physics 212 Lecture 3, Slide BB Which of the following field line pictures best represents the electric field from two charges that have the same sign but different magnitudes? A C 21 B D Investigate with simulation: Physics 212 Lecture 3, Slide 9 Physics 212 Lecture 3, Slide Electric Flux “Counts Field Lines” rr Φ S = ∫ E ×dA S Flux through...
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This document was uploaded on 02/13/2014.

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