Which end of an electron beam is at the higher potential?

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SUMMARY

The discussion centers on the potential difference in an electron beam traveling from an electrode on the right to one on the left. It is established that the right end of the electron beam is at a higher potential because the current flows from the positive terminal to the negative terminal, analogous to a battery. The reasoning aligns with the fundamental principles of electric current direction and potential difference.

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Homework Statement


An electron beam travels from an electrode on the right to one on the left. Which end of the electron beam is at a higher potential?

Homework Equations





The Attempt at a Solution


My reasoning was that if the electron beam is moving from right to left, then the current's direction is from left to right. Current usually moves from the positive to the negative (like in a battery). The positive terminal of a battery is at the higher potential.

Therefore, the the right end of the electron beam is at the higher potential.

But I really don't know, that was more of a guess than anything. Was my reasoning completely flawed?
 
Last edited:
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Correct.
 

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