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: Magnitude of an electric field

  1. Mar 1, 2012 #1
    1. A force of 14 N exists on charge q, which is 2.1E-9 C. What is the magnitude of the electric field?



    2. Relevant equation is E=Kq'/r^2



    3. I attempted using the equation above but the question doesn't include any distance. Is there another equation I should use?
     
  2. jcsd
  3. Mar 1, 2012 #2
    Can you use E = F/q?
     
  4. Mar 1, 2012 #3
    Yea I just realized that soon after. Thank you for the quick reply anyway
     
  5. Mar 1, 2012 #4
    No problem!
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook