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: Induction or nothing?

  1. Mar 31, 2012 #1
    1. The problem statement, all variables and given/known data

    By what method will a positively charged rod produce a negative charge on a conducting sphere that is placed on an insulating surface.

    2. Relevant equations

    a) by means of conduction b) by means of induction c) by means of convection d) none of the choice are correct

    3. The attempt at a solution

    I am guessing d because the rod will only be able to polarize... and if it was conducted the negative charge would flow to the rod which will leve the sphere positive...
  2. jcsd
  3. Apr 1, 2012 #2
    really 385 views and no response...?
  4. Apr 1, 2012 #3


    User Avatar
    Science Advisor
    Homework Helper

    hi freeofwork :smile:

    well, it's obviously not conduction or convection, and i don't think it comes within the strict definition of induction, so that does leave d) :wink:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook