From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1730/CH2/EX2.4/Exa2_4.sce | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100755 1730/CH2/EX2.4/Exa2_4.sce (limited to '1730/CH2/EX2.4/Exa2_4.sce') diff --git a/1730/CH2/EX2.4/Exa2_4.sce b/1730/CH2/EX2.4/Exa2_4.sce new file mode 100755 index 000000000..cc963a86d --- /dev/null +++ b/1730/CH2/EX2.4/Exa2_4.sce @@ -0,0 +1,17 @@ +//Exa4 +clc; +clear; +close; +//given data : +rho=1.73*10^-8;//in ohm-meter +toh=2.42*10^-14 ; //in second +e=1.6*10^-19; //in C +m=9.1*10^-31;//in kg +sigma=1/rho; +//(i) Number of free electrons per m^3 +n=(m*sigma)/(e^2*toh); +disp("Number of free electrons per cube meter is : "+string(n)); +//(ii) Mobility of electrons, +miu_e=(e*toh)/m; +disp("Mobility of electrons is : "+string(miu_e)+" m^2/V-s"); +//Note: Answer in the book is wrong \ No newline at end of file -- cgit