1 files changed, 17 insertions, 0 deletions
diff --git a/284/CH4/EX4.7/ex_7.sce b/284/CH4/EX4.7/ex_7.sce
new file mode 100755
index 000000000..8948c7970
--- /dev/null
+++ b/284/CH4/EX4.7/ex_7.sce
@@ -0,0 +1,17 @@
+// Chapter 4_Carrier Transport Phenomenon
+//Caption_The Hall Effect
+//Ex_7//page 158
+L=10^-3    //LENGTH IN M
+W=10^-2    //WIDTH IN CM
+d=10^-5
+Ix=10^-3   //current in Amp
+Vx=12.5
+e=1.6*(10^-19)
+Bz=500    //magnetic field in gauss
+Vh=-6.25*10^-3    //hall voltage
+
+//A negative hall voltage for this geometry implies that we have an n-type semiconductor
+BzT=Bz*10^-4   //magnetic field in tesla
+n=-(Ix*BzT)/(e*d*Vh*10^6)
+mun=(Ix*L)/(e*n*Vx*W*d)
+printf('Majority carrier concentration is %1.1fd cm^-3 and mobility is %1.1fd cm^2/V-s ',n,mun)