2_ElectricFields0910

2_ElectricFields0910 - Electric Field Electric Field...

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1 Electric Field Magnitude of the Electric Field Electric Field Lines PE and Electric Fields Book – Ch. 33.1 – 33.2 Electric Field • Michael Faraday developed the concept of electric fields in the early 1800’s. • The space around every electrically charged body has an electric field. • When another charge enters the field, an electric force acts on it. • Any electric field has both magnitude and direction. • What kind of quantity is this? Vector Quantity • Vectors can be represented as arrows with the arrow pointing in the direction of the electric field. Electric Field Lines • The electric field is represented by vectors (arrows) drawn around the charge. (charge in center = 0!) • Direction based on force of a positive charge and charge in question. • Length of vectors show magnitude of the force.
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2 Examples: • For a negative charge, the (+) test particle would be attracted (arrows towards). • For a positive charge, the (+) test
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This note was uploaded on 11/13/2011 for the course PHYS 1111 taught by Professor Plascak during the Fall '08 term at UGA.

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2_ElectricFields0910 - Electric Field Electric Field...

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