9 PotentialtoField

9 PotentialtoField - Craig Ogilvie Where we stand Ways to...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Craig Ogilvie Where we stand Ways to calculate E-field Coulomb law, vector superposition Use symmetry to find field => Gauss law From E, can calculate V, Craig Ogilvie 11 q generates E-field, V in all space 2nd q experiences force due to E-field, has potential energy due to V = enclosed q A d E l d E V f i - = Craig Ogilvie Question: Climb down at fastest rate, 1st round Craig Ogilvie 22 Stand at point X, which direction would you walk to climb down at fastest rate? 1. N 2. S 3. E 4. W x N 1 of 30 Craig Ogilvie Question: Climb down at fastest rate, 2nd round Craig Ogilvie 33 Stand at point X, which direction would you walk to climb down at fastest rate? x N Fastest change in height = largest gradient 1 2 3 4 0% 100% 0% 0% 1. N 2. S 3. E 4. W 1 of 30 Craig Ogilvie E-field direction perpendicular to equipotentials Craig Ogilvie 44 O bj1 0 3 E-field given by gradient of V(x,y,z) Direction: most rapid change of potential Equipotential line connects points same V E-field is in direction of V change E-field perpendicular to equipotential Craig Ogilvie Question on V, 1st round Craig Ogilvie...
View Full Document

This note was uploaded on 09/20/2011 for the course PHYS 222 taught by Professor Johnson during the Spring '07 term at Iowa State.

Page1 / 15

9 PotentialtoField - Craig Ogilvie Where we stand Ways to...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online