- #1
- 143
- 2
Homework Statement
Homework Equations
The Attempt at a Solution
$$Δ{ V }_{ H }=\frac { IB }{ nqt } \\ 9.6*{ 10 }^{ -6 }=\frac { 50*1.3 }{ n*e*3.3*{ 10 }^{ -4 } } \\ n=1.28*{ 10 }^{ 29 }\quad electrons/{ m }^{ 3 }$$
I thought the method was wrong because it gives us d=1mm but we don't use it in our calculations.You can use WolframAlpha to check calculations like that.