Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Help.Mayday.about electricity and magnetism

  1. Jan 31, 2010 #1
  2. jcsd
  3. Jan 31, 2010 #2
    I cannot answer the questions correctly.I try all my best.Firstly, the teacher said this is not a infinite line charge in the 1st question,instead it is a point charge.So, the Gauss's law is not appropriate. I use the Coulomb's law.But...I skill don't know how to do it.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook