3 files changed, 29 insertions, 0 deletions
diff --git a/165/CH20/EX20.1/ex20_1.sce b/165/CH20/EX20.1/ex20_1.sce
new file mode 100644
index 000000000..8b7fdd42c
--- /dev/null
+++ b/165/CH20/EX20.1/ex20_1.sce
@@ -0,0 +1,10 @@
+//Example 20.1
+close;
+clc;
+//Given data
+V1=20;    //volts
+V2=30;    //volts
+R1=100;   //ohm
+//RF test power
+rf=(V2*V2-V1*V1)/(4*R1);
+printf('\nRF test power is %0.2f W\n',rf);
+\ No newline at end of file
diff --git a/165/CH20/EX20.2/ex20_2.sce b/165/CH20/EX20.2/ex20_2.sce
new file mode 100644
index 000000000..ca51c04b3
--- /dev/null
+++ b/165/CH20/EX20.2/ex20_2.sce
@@ -0,0 +1,11 @@
+//Example 20.2
+close;
+clc;
+//given data
+m=200;    //Mass in grams
+sp=1;     //sp heat of water in cal/gm deg C
+T1=30;    //in deg C
+T2=40;    //in deg C
+//power radiated 
+p=4.18*m*sp*(T2-T1);
+printf('\nPower radiated %0.2f kW\n',p/1000);
+\ No newline at end of file
diff --git a/165/CH20/EX20.3/ex20_3.sce b/165/CH20/EX20.3/ex20_3.sce
new file mode 100644
index 000000000..821a07c00
--- /dev/null
+++ b/165/CH20/EX20.3/ex20_3.sce
@@ -0,0 +1,8 @@
+//Example 20.3
+close;
+clc;
+//given data
+V1=8;    //in volts
+V2=2;    //in volts
+swr=(V1+V2)/(V1-V2);
+disp(swr,'Standing wave ratio');
+\ No newline at end of file