Recent content by martin f

  1. M

    Graduate What happens when a high speed electron collides with a stationary cation?

    What 'could' happen when a high speed electron hits a stationary cathion?
  2. M

    Undergrad Solving Magnetic Fields Produced by Multiple Charges in Free Space

    Why is there no equation for solving for the magnetic field produced by multiple charges in free space? To solve for this do you sum up all the magnetic fields produced by each of the point charges or what?
    • martin f
    • Thread
    • Charges Fields Free space Magnetic Magnetic fields Multiple produced Space
    • Replies: 2
    • Forum: Electromagnetism
  3. M

    Graduate Maxwell's Equation: Magnetic B Field from Moving Charges

    Under what circumstances does a moving electric charge fail to produce a magnetic field?and what is the equation for finding the magnetic B field produced by multiple charges moving in a vacuum?
  4. M

    High School How does the exponential function work?

    How does the exponential function work
  5. M

    Graduate What Determines the Barrier Field in Fowler-Nordheim Tunneling?

    What is the barrier field in fowler-nordheim tunneling?i'm having a hard time understanding it please help.