Lecture2_SP08

# Lecture2_SP08 - Motion in a uniform electric field(Ch 23.4...

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To Do List: TT-system registration(\$10 fee). Go to https:/ttt.ph.utexas.edu/. Click on the link: Instructions . Follow the instruction. Download HW1. Notice the 4am due time: (Example: If a homework is due 4am on Sunday, think of it is due late in the evening of the Saturday before.) I-clickers: Available at UT Coop Æ bring to every lecture! 103N lab. Begins on 1/28. Contact lab supply room RLM8.316 (471-5352) for the lab schedule.

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Topics to be covered in class: Superposition of electric forces Electric field Electric field of point charges Electric field lines Independent reading:

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Unformatted text preview: Motion in a uniform electric field (Ch 23.4) Vectorial form of the Coulomb’s Law 12 3 12 2 1 12 r r Q Q k F r r = 12 3 12 2 1 12 4 1 r r Q Q F r r πε = Electric forces are vectors! Add them as vectors! Problem Problem This is how you determine the direction of the electric field: (a) Imagine that there is a POSITIVE UNIT test charge at the point in space where you are trying to determine E-field (b) Find the force acting on the test charge Æ it will give you the electric field Electric field of a dipole (two opposite charges) Electric field of a two equal charges...
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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.

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Lecture2_SP08 - Motion in a uniform electric field(Ch 23.4...

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