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: How many electrons flow through this device?

  1. Mar 22, 2010 #1
    1. The problem statement, all variables and given/known data

    An electric device delivers a current of 2.44 A for 55.0 seconds. How many electrons flow through this device?

    2. Relevant equations



    3. The attempt at a solution

    I am clueless, i need help
     
  2. jcsd
  3. Mar 22, 2010 #2

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

    Re: Electricty

    Whats the definition of an amp?
    Whats the charge of an electron
     
  4. Mar 22, 2010 #3
    Re: Electricty

    An amp is a unit of electric current, and a an electron has a negative charge.
    Still clueless
     
  5. Mar 22, 2010 #4

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

  6. Mar 23, 2010 #5
    Re: Electricty

    I need help with this question. It dont make sense, can you help me with answering the problem
     
  7. Mar 23, 2010 #6
    Re: Electricty

    Oh never mind, I just figured it out. I did not know the equation Q=It or Q=ne
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook