1 files changed, 12 insertions, 0 deletions
diff --git a/3669/CH5/EX5.4/4.sce b/3669/CH5/EX5.4/4.sce
new file mode 100644
index 000000000..779069d0d
--- /dev/null
+++ b/3669/CH5/EX5.4/4.sce
@@ -0,0 +1,12 @@
+
+//Variable declaration
+rho=1.43*10**-8;     //resistivity of metal(ohm m)
+n=6.5*10**28;     //number of free electrons(per m**3)
+e=1.6*10**-19;     //charge(c)
+m=9.1*10**-31;     //mass(kg)
+
+//Calculation
+tow=m/(n*e**2*rho);       //relaxation time(s)
+
+//Result
+printf('relaxation time is %0.3f   *10**-14 s  \n',(tow*10**14))
+\ No newline at end of file