1 files changed, 12 insertions, 0 deletions
diff --git a/3760/CH4/EX4.85/Ex4_85.sce b/3760/CH4/EX4.85/Ex4_85.sce
new file mode 100644
index 000000000..f8a4ca7d2
--- /dev/null
+++ b/3760/CH4/EX4.85/Ex4_85.sce
@@ -0,0 +1,12 @@
+clc;
+g1=1.5; // gain factor of amplifier
+g2=80; // gain factor of generator
+vo=250; // output voltage at no load
+s=0.2; // feedback potentiometer setting
+// for generated voltage= 80V field current is 1 A
+ifl=vo/g2; // field current for generated voltage= 250V
+vi=ifl/g1; // amplifier input voltage for field current corresponding to generated voltage= 250V
+vfb=s*vo; // feedback voltage
+vr=vfb+vi;
+printf('Reference voltage for given potentiometer setting is %f V\n',vr);
+printf('When feedback setting is zero, reference voltage is %f V',vi);