tsl106 - Z r a E ( r ) dr =-Q 4 Z r a dr r 2 = Q 4 1 r-1 a...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Spherical Capacitor Conducting sphere of radius a surrounded concentrically by conducting spherical shell of inner radius b . Q : magnitude of charge on each sphere Electric field between spheres: use Gauss’ law E [4 πr 2 ] = Q ² 0 E ( r ) = Q 4 π² 0 r 2 Electric potential between spheres: use V ( a ) = 0 V ( r ) = -
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Z r a E ( r ) dr =-Q 4 Z r a dr r 2 = Q 4 1 r-1 a Voltage between spheres: V V +-V-= V ( a )-V ( b ) = Q 4 b-a ab Capacitance for spherical geometry: C Q V = 4 ab b-a +Q-Q E b a tsl106 p.1/1...
View Full Document

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.

Ask a homework question - tutors are online