Lecture 6

Lecture 6 - PEP112 Spring 2008 Prof. Svetlana Malinovskaya...

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

View Full Document Right Arrow Icon
PEP112 – Spring 2008 Prof. Svetlana Malinovskaya 4 February 2008 Gauss’s Law
Background image of page 1

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

View Full DocumentRight Arrow Icon
Introduction • We calculated electric field of various shapes by starting from Coulomb’s law for the electric field of a point charge. • Now we’ll learn how some important electric fields can be deduced from the shape of the charge distribution. • Gauss’s Law and Coulomb’s Law are equivalent and can be derived from each other, but Gauss’s Law gives different perspective. It may be applied not only to electrostatics but also to electrodynamics.
Background image of page 2
Symmetry • Symmetry is an especially important idea in physics and mathematics. • We say that a charge distribution is symmetric if there is a group of geometrical transformations that don’t cause any physical change. Such transformations are translation, rotation, and reflection. • If after transformation you cannot reveal any change in charge distribution, then we say that charge distribution is symmetric under that particular transformation.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Example: Cylindrical Symmetry • The symmetry of the electric field must match the symmetry of the charge distribution.
Background image of page 4
The Electric Field of a Cylinder • The electric field is radial, pointing out from the cylinder. This is the only one electric field shape that matches the symmetry of the charge distribution.
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/09/2008 for the course PEP 112 taught by Professor Whittaker during the Spring '07 term at Stevens.

Page1 / 19

Lecture 6 - PEP112 Spring 2008 Prof. Svetlana Malinovskaya...

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