blob: dc6887355f6d9aa84e2d7d2f71c7e973bf9fe24f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
//To Calculate the Current and Current Density
//Example 32.1
clear;
clc;
n=6.0*10^16;//Total number of electrons
e=1.6*10^-19;//Charge of an electron
q=n*e;//Total charge crossing a prependicular cross section in one sec
t=1;//Time in seconds
i=q/t;//Current
printf("(a)Current(i)= % f*10^-3 A",i*10^3);
s=1.0*10^-3;//electron beam has an apperture
J=i/s;//current density
printf("\n(b)Current density in the beam (j)= %.1f*10^3 A/m^2",J);
|
