tem 2 Electric Field Lines An electric field can be convenient tly represented b
ID: 1571733 • Letter: T
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tem 2 Electric Field Lines An electric field can be convenient tly represented by a collection of electric field lines. A drawing of electric field lines should obey the following 1. Electric field lines have a direction: they start at positive charges (or infinity) and end at negative charges (or infinity). 2. The number of field nes originating or ending charge is proportional to the magnitude of the charge. on a point n the region very close to a point charge, the field nes are uniformly distributed around the charge 4. The spacing of the nes indicates the field magnitude: strong fields should be shown by closely spaced nes and weak fields by widely spaced lines. 5. At any point on an electric field line, the electric field itself should be tangent to the field ne at that point. A drawing of electric fieldlines will immediately reveal (1) the relative magnitude of different charges (proportional to the mber of lines that begin or end on (2) the sign of different charges (since lines go into negative charges and come out of positive charges (3) the relative magnitude of the electric field at any point use the magnitude of the field onal to how closely spaced the field and (4) the symmet try of the charge distribution (since they match the symmetry of the underlying field). It is important to understand that a drawing of electric fieldlines is not a casual s ketch, but to be correct must follow the above rules. When you make an electric field diagram you need to think very carefully about each field each of the figures below some electric fieldlines are drawn. But in most cases, there are mistakes. For each drawing, select which of the above rules are correct. (lgnore the fact that the lines are a little wavy: just like a real diagram, they are made by hand.) or if the diagram is essen Part A Rules broken by this diagr Rule 1: direction from to Rule 2: number proporti onal to charge Rule 3: radial symmetry close to charge Rule 4: spacing inversely proportional to field magnitude Rule 5: field tangent to any line No rules are broken the diagr am is correct Submit My Answers Give UpExplanation / Answer
Just figured it out
A)rule 1,3,5 is correct
B)rule 2,3 is correct
C) rule 2 is correct
D) rule 2,3 is correct
E)rule 2 is correct
F)none
G) rule 3,4 is correct
H) rule 2,4,5 is correct
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