initial commit / add all books

1 files changed, 15 insertions, 0 deletions

diff --git a/2258/CH2/EX2.13/2_13.sce b/2258/CH2/EX2.13/2_13.sce
new file mode 100755
index 000000000..85222dc9c
--- /dev/null
+++ b/2258/CH2/EX2.13/2_13.sce
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+clc();

+clear;

+// To calculate the mobility and average time of collision of electrons

+d=8.92*10^3;   //density in kg/m^3

+rho=1.73*10^-8;   //resistivity in ohm-m

+m=9.1*10^-31;    //mass in kg

+M=63.5;    //atomic weight

+e=1.6*10^-19;    //charge in coulomb

+A=6.02*10^26;    //avagadro number

+n=(d*A)/M;

+mew=1/(rho*n*e);

+tow=m/(n*(e^2)*rho);

+printf("mobility of electrons in Copper is %f m/Vs",mew);

+printf("average time of collision of electrons in copper in sec is");

+disp(tow);