Recent content by Karimz

  1. K

    Understanding Vacuum Photocell: Explanation, Polarities, and Cut-off Potential

    Well at some point an electron does leave the anode but it's attracted back to it when it leaves. But the idea that the polarities were reversed makes the anode a cathode now since it's role would be to receive electrons not lose them. So when it does lose them and attracts them again that's...
  2. K

    Understanding Vacuum Photocell: Explanation, Polarities, and Cut-off Potential

    I'm not sure but perhaps it's also called the "stopping potential" ? Also, when polarities are reversed, wouldn't it be a good thing if the electron comes back to the anode? The polarities are reversed so the flow of the current should also be opposite to what it was, meaning into that +ve...
  3. K

    Understanding Vacuum Photocell: Explanation, Polarities, and Cut-off Potential

    Well yea I know about the work function and Kinetic energy left and all.. but my question is when the polarities are reversed, the electrons leaving the plate would go where? How is the cut-off potential reached? Can you define it for me please?
  4. K

    Understanding Vacuum Photocell: Explanation, Polarities, and Cut-off Potential

    Hello. This is actually my first post in these forums and I've never really thought of posing my questions online but I've decided to give it a try. Well about the Vacuum Photocell. I know what the setup looks like and all, but there's one thing I don't get. I'm going to say everything I know...
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