Lecture3_SP08 - Topics to be covered in class: Review:...

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Topics to be covered in class: Review: field lines Electric field continuous charge distributions Electric flux Independent reading: Electric dipole (Ch.23.5)
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Rules for electric field lines: do’s and don’t Electric field lines do: •Start on positive charges and end on negative field lines •If there are no negative charges nearby, they end at infinity •If there are no positive charges nearby, they start at infinity and end on negative charges!
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Rules for electric field lines: do’s and don’t Electric field lines do not: •Close on themselves •Appear from nowhere (if a line doesn’t start on a positive charge, it must start at infinity) •Disappear into nowhere (if a line does not end on a negative charge, it must go off to infinity) •Cross each other
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Types of continuous charge distributions: (a) Line density λ [C/cm 3 ] Æ occurs when you roll a volume distribution into a thin sausage!
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(a) Volume density ρ [C/cm
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This note was uploaded on 03/19/2008 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.

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Lecture3_SP08 - Topics to be covered in class: Review:...

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