From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 1694/CH6/EX6.2/Ex6_2.sce | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 1694/CH6/EX6.2/Ex6_2.sce (limited to '1694/CH6/EX6.2/Ex6_2.sce') diff --git a/1694/CH6/EX6.2/Ex6_2.sce b/1694/CH6/EX6.2/Ex6_2.sce new file mode 100644 index 000000000..31bced25d --- /dev/null +++ b/1694/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,18 @@ +clear; +clc; +printf("\nEx-6.2\n"); +//page no.-184 +//given +no=5.8*10^28;......//free electrons per m^3 +e=1.6*10^-19;......//charge in C +h= 1.05*10^-34;.....//planck's constant in Js + +m=9.1*10^-31;.......//mass of electron in kg + +E=(3*no*%pi^2)^(2/3)*(h^2)/(2*m*e)......//fermi energy of electron + +printf("\nfermi energy of electron is 5.4 eV\n"); + +v=((2*E)/m)^(1/2);......//speed of electron in m/s + +printf("\nspeed of electron is 1.4*10^6 m/s"); -- cgit