tsl109 - Integrating Energy Density in Spherical Capacitor...

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

View Full Document Right Arrow Icon
Integrating Energy Density in Spherical Capacitor Electric field: E ( r ) = Q 4 π² 0 1 r 2 Voltage: V = Q 4 π² 0 b - a ab = Q 4 π² 0 » 1 a - 1 b Energy density: u E ( r ) = 1 2 ² 0 E 2 ( r ) +Q -Q E b a Energy stored in capacitor: U = Z b a u E ( r )(4 πr 2 ) dr U = Z b a 1 2 ² 0 Q 2
Background image of page 1
This is the end of the preview. Sign up to access the rest of the 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