1 files changed, 19 insertions, 0 deletions
diff --git a/3769/CH13/EX13.20/Ex13_20.sce b/3769/CH13/EX13.20/Ex13_20.sce
new file mode 100644
index 000000000..c7d5888e2
--- /dev/null
+++ b/3769/CH13/EX13.20/Ex13_20.sce
@@ -0,0 +1,19 @@
+clear
+//Given
+P=400                          //W
+Ev=250                          //V
+Iv=2.5                           //A
+f=50
+
+//Calculation
+//
+a=P/(Ev*Iv)
+Z=Ev/Iv
+R=Z*a
+Xl=sqrt(Z**2-R**2)
+L=Xl/(2*%pi*f)
+
+//Result
+printf("\n (i) The power factor is %0.3f  lag",a)
+printf("\n (ii) Resistance of the coil is %0.3f  ohm", R)
+printf("\n (iii) Inductance of the coil is %0.3f  H",L)