diff options
Diffstat (limited to '3840/CH5/EX5.2')
| -rw-r--r-- | 3840/CH5/EX5.2/Ex5_2.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3840/CH5/EX5.2/Ex5_2.sce b/3840/CH5/EX5.2/Ex5_2.sce new file mode 100644 index 000000000..c3adb6e83 --- /dev/null +++ b/3840/CH5/EX5.2/Ex5_2.sce @@ -0,0 +1,19 @@ +clear +// +// +// + +//Variable declaration +e=1.602*10**-19 //charge(c) +m=9.11*10**-31 //mass(kg) +h=6.63*10**-34 //plancks constant(Js) +Ef=7*e //fermi energy(J) + +//Calculation +x=Ef*8*m/h**2 +n23=x/((3/%pi)**(2/3)) +n=n23**(3/2) //total number of free electrons(electrons/m**3) + +//Result +printf("\n total number of free electrons is %0.4f *10**28 electrons/m**3",n/10**28) +printf("\n answer in the book varies due to rounding off errors") |