diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2891/CH2/EX2.18 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2891/CH2/EX2.18')
| -rwxr-xr-x | 2891/CH2/EX2.18/Ex2_18.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/2891/CH2/EX2.18/Ex2_18.sce b/2891/CH2/EX2.18/Ex2_18.sce new file mode 100755 index 000000000..1ed9c8274 --- /dev/null +++ b/2891/CH2/EX2.18/Ex2_18.sce @@ -0,0 +1,20 @@ +//Exa 2.18
+clc;
+clear;
+close;
+// given :
+lambda=0.25 // wavelength in m
+v=1.5*10^10 // velocity of propagation of wave in cm/sec
+v=1.5*10^8 // velocity of propagation of wave in m/sec
+f=v/lambda // frequency in Hz
+disp(f/10^6,"frequecy in MHz:")
+epsilon_0=8.854*10^-12 // permittivity in free space in F/m
+mu_0=4*%pi*10^-7 // permeability in free space in H/m
+mu=mu_0 // permeability in H/m
+v_0=3*10^8 // speed of light in m/s
+// formula : v=1/(mu*epsilon)=1/(mu_0*epsilon_0*epsilon_r)=v_0/sqrt(epsilon_r)
+epsilon_r=(v_0/v)^2 // relative permittivity
+disp(epsilon_r,"relative permittivity:")
+
+
+//note : answer in the book is wrong.
|