3 files changed, 44 insertions, 0 deletions
diff --git a/728/CH8/EX8.15/Ex8_15.sce b/728/CH8/EX8.15/Ex8_15.sce
new file mode 100755
index 000000000..2a5f1cb2b
--- /dev/null
+++ b/728/CH8/EX8.15/Ex8_15.sce
@@ -0,0 +1,16 @@
+//Caption:Calculate (i)-input power ,(ii)-output power in watts, (iii)-efficiency 
+//Exa:8.15
+clc;
+clear;
+close;
+n=2;
+V_o=280;//in volts
+I_o=22*10^-3;//in A
+V_i=30;//in volts
+J=1.25;//J(X')
+P_dc=V_o*I_o;
+P_ac=2*V_o*I_o*J/(2*n*%pi-%pi/2);
+eff=(P_ac/P_dc)*100;
+disp(P_dc,'Input power (in watts) =');
+disp(P_ac,'Output power (in watts) =');
+disp(eff,'Efficiency (in percent) =');
+\ No newline at end of file
diff --git a/728/CH8/EX8.15/Ex8_15.txt b/728/CH8/EX8.15/Ex8_15.txt
new file mode 100755
index 000000000..2a5f1cb2b
--- /dev/null
+++ b/728/CH8/EX8.15/Ex8_15.txt
@@ -0,0 +1,16 @@
+//Caption:Calculate (i)-input power ,(ii)-output power in watts, (iii)-efficiency 
+//Exa:8.15
+clc;
+clear;
+close;
+n=2;
+V_o=280;//in volts
+I_o=22*10^-3;//in A
+V_i=30;//in volts
+J=1.25;//J(X')
+P_dc=V_o*I_o;
+P_ac=2*V_o*I_o*J/(2*n*%pi-%pi/2);
+eff=(P_ac/P_dc)*100;
+disp(P_dc,'Input power (in watts) =');
+disp(P_ac,'Output power (in watts) =');
+disp(eff,'Efficiency (in percent) =');
+\ No newline at end of file
diff --git a/728/CH8/EX8.15/Ex8_15_ans.txt b/728/CH8/EX8.15/Ex8_15_ans.txt
new file mode 100755
index 000000000..ac3ef33f1
--- /dev/null
+++ b/728/CH8/EX8.15/Ex8_15_ans.txt
@@ -0,0 +1,12 @@
+ 
+ Input power (in watts) =   
+ 
+    6.16  
+ 
+ Output power (in watts) =   
+ 
+    1.4005635  
+ 
+ Efficiency (in percent) =   
+ 
+    22.73642
+\ No newline at end of file