To describe hall affect, why a thin flat conductor is used? Why not circular conductor is used?
2006-11-15 06:15:03 · 3 answers · asked by star123 2 in Science & Mathematics ➔ Physics
Yeah, what Eugene said. Electrons going from one end to the other get pushed sideways a bit cause they are moving charges in a transverse magnetic field ; so there are more on the left than the right but they don't like being close to other electrons much and will move back again if you give them the chance, big fat wires give them more of a chance to move back in the direction that you don't want them to go.
Now you tell me why semiconductor hall effect sensors are so much more sensitive than sensors based on thin metal films.
2006-11-15 07:12:11 · answer #1 · answered by Anonymous · 0⤊ 0⤋
The thin conductor gives you a better current density through the conductor since it's not spread out like it would be in a fat wire; hence you get more differential voltage out for the same total current and and magnetic field.
2006-11-15 14:42:13 · answer #2 · answered by Gene 7 · 0⤊ 0⤋
Hmmm...seems to me that by answering, I prove I know exactly one thing. Go figure.
2006-11-15 14:28:19 · answer #3 · answered by runningman022003 7 · 0⤊ 0⤋