1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: Mass and speed of (current) electrons

  1. Sep 23, 2008 #1
    If a direct current (100 Volt) and (5 Amp.) is supplying a (500 Watt) bulb.
    How many electrons (how much mass) are moving and how fast?
  2. jcsd
  3. Sep 23, 2008 #2


    User Avatar
    Staff Emeritus
    Science Advisor

  4. Sep 24, 2008 #3

    I am not a student, but do just need the result.

    PS !
    The resistance in the wire we can assume to be zero.

    Last edited: Sep 24, 2008
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook