1 files changed, 16 insertions, 0 deletions
diff --git a/620/CH21/EX21.4/example21_4.sce b/620/CH21/EX21.4/example21_4.sce
new file mode 100644
index 000000000..b09e1e6a7
--- /dev/null
+++ b/620/CH21/EX21.4/example21_4.sce
@@ -0,0 +1,16 @@
+p=600;
+c=0.1*10^(-6);
+e=20*10^3;
+disp("Part a");
+f=1.5;
+d=f*p/e;
+disp("the minimum separation (in mm) of the plates is"); disp(d);
+disp("Part b");
+e0=8.85*10^(-12);
+k=3;
+a=c*d/(k*e0*10^3);
+disp("the area (in m²) of one of the metal foil plates is"); disp(a);
+disp("Part c");
+w=0.04;
+l=a/w;
+disp("the lenght (in m) of the metal foil is"); disp(l);
+\ No newline at end of file