Lec-3 - Previous Lectures Field of a point charge: 1 Q ^ E=...

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Previous Lectures Field of a point charge: E = 1 4 π± 0 Q r 2 ˆ r Field of a line of charge: E = 1 2 π± 0 λ r ˆ r Field of a plane of charge: E = σ 2 ± 0 (points away from plane) – p.
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Previous Lectures Field of a point charge: E = 1 4 π± 0 Q r 2 ˆ r Field of a line of charge: E = 1 2 π± 0 λ r ˆ r Field of a plane of charge: E = σ 2 ± 0 (points away from plane) – p.
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Electrostatics If we know where the charges are, we can work out the fields. – p.
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Electrostatics If we know where the charges are, we can work out the fields. d E (at r )= 1 4 π± 0 dQ ( r r ± ) | r r ± | 3 This formula ALWAYS works, but the math might be a little messy. – p.
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Today Gauss’ Law – provides an easy way to get the field in certain special cases. – p.
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Count the bullets – p.
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Count the bullets – p.
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Count the bullets – p.
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Count the bullets – p.
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Count the bullets –p
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Count the bullets –p
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Count the bullets –p
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The Main Point
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This note was uploaded on 02/29/2008 for the course PHYSICS 21 taught by Professor Hickman during the Spring '08 term at Lehigh University .

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Lec-3 - Previous Lectures Field of a point charge: 1 Q ^ E=...

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