6B Ch 21

# Distance the field would be approximately the same as

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Unformatted text preview: ive •  The same number of lines leave each charge since they are equal in magnitude •  At a great distance, the field is approximately equal to that of a single charge of 2q Electric Field Lines, Unequal Charges •  The positive charge is twice the magnitude of the negative charge •  Two lines leave the positive charge for each line that terminate on the negative charge •  At a great distance, the field would be approximately the same as that due to a single charge of +q Electric Field Lines – Rules for Drawing •  The lines must begin on a positive charge and terminate on a negative charge –  In the case of an excess of one type of charge, some lines will begin or end infinitely far away •  The number of lines drawn leaving a positive charge or approaching a negative charge is proportional to the magnitude of the charge •  Field lines cannot intersect Motion of Particles Fe = q E = m a •  If E is uniform, then a is constant •  If the particle has a positive charge, its acceleration is in the direction of the field •  If the particle has a negative charge, its acceleration is in the direction opposite the electric field •  If the acceleration is constant (for small displacement), the kinematic equations can be used, otherwise not m EE E v E v a +Q P λ x P x λ x d σ σ...
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## This document was uploaded on 02/21/2014 for the course CHEM 110A 110a at UCLA.

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