53. Calculating Electric Field from Gauss' Law- Charged Wire

53. Calculating Electric Field from Gauss' Law- Charged...

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Calculating ~ E from Gauss’ Law: Charged Wire Consider a uniformly charged wire of infinite length. Charge per unit length on wire: λ (here assumed positive). Use a coaxial Gaussian cylinder of radius R and length L . Electric flux through Gaussian surface: Φ E
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Unformatted text preview: = I ~ E · d ~ A = E (2 πRL ) . • Net charge charge inside Gaussian surface: Q in = λL . • Gauss’ law I ~ E · d ~ A = Q in ² becomes E (2 πRL ) = λL ² . • Electric field at radius R : E = 1 2 π² λ R . tsl53 – p.1/1...
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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