1 files changed, 16 insertions, 0 deletions
diff --git a/3651/CH6/EX6.21/21.sce b/3651/CH6/EX6.21/21.sce
new file mode 100644
index 000000000..e248de8b7
--- /dev/null
+++ b/3651/CH6/EX6.21/21.sce
@@ -0,0 +1,16 @@
+
+//Variable declaration
+H0=6.5*10**4           //(ampere/metre)
+T=4.2                  //K
+Tc=7.18                //K
+r=0.5*10**-3
+
+//Calculations
+Hc=H0*(1-(T/Tc)**2)
+Ic=(2*%pi*r)*Hc
+A=%pi*r**2
+Jc=Ic/A                //Critical current density
+
+//Result
+printf('Hc = %0.3f       *10**4 \n',(Hc/10**4))
+printf('Critical current density,Jc = %0.3f  *10**8 ampere/metre**2      \n',(Jc/10**8))
+\ No newline at end of file