1 files changed, 35 insertions, 0 deletions
diff --git a/620/CH9/EX9.7/example9_7.sce b/620/CH9/EX9.7/example9_7.sce
new file mode 100644
index 000000000..60f492150
--- /dev/null
+++ b/620/CH9/EX9.7/example9_7.sce
@@ -0,0 +1,35 @@
+rl1=4;
+rl2=8;
+rl3=16;
+rl4=100;
+v=40;
+r=8;
+disp("when load is 4 Ω");
+vl1=v*rl1/(rl1+r);
+disp("the load voltage (in V) is"); disp(vl1);
+pl1=vl1^2/rl1;
+p1=v^2/(rl1+r);
+n1=pl1*100/p1;
+disp("the efficiency (in %) is"); disp(n1);
+disp("when load is 8 Ω");
+vl2=v*rl2/(rl2+r);
+disp("the load voltage (in V) is"); disp(vl2);
+pl2=(vl2^2)/rl2;
+p2=(v^2)/(rl2+r);
+n2=pl2*100/p2;
+disp("the efficiency (in %) is"); disp(n2);
+
+disp("when load is 16 Ω");
+vl3=v*rl3/(rl3+r);
+disp("the load voltage (in V) is"); disp(vl3);
+pl3=vl3^2/rl3;
+p3=v^2/(rl3+r);
+n3=pl3*100/p3;
+disp("the efficiency (in %) is"); disp(n3);
+disp("when load is 100 Ω");
+vl4=v*rl4/(rl4+r);
+disp("the load voltage (in V) is"); disp(vl4);
+pl4=vl4^2/rl4;
+p4=v^2/(rl4+r);
+n4=pl4*100/p4;
+disp("the efficiency (in %) is"); disp(n4);
+\ No newline at end of file