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| 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/EX2.29 | |
| 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/EX2.29')
| -rwxr-xr-x | 2891/CH2/EX2.29/Ex2_29.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2891/CH2/EX2.29/Ex2_29.sce b/2891/CH2/EX2.29/Ex2_29.sce new file mode 100755 index 000000000..adc3c4359 --- /dev/null +++ b/2891/CH2/EX2.29/Ex2_29.sce @@ -0,0 +1,18 @@ +// Exa 2.29
+clc;
+clear;
+close;
+// given :
+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
+epsilon_r=1 // relative permittivity
+mu_r=1 // relative permeability
+epsilon=epsilon_r*epsilon_0 // permittivity
+mu=mu_0*mu_r // permeability
+E=100*sqrt(%pi) // magnitude of electric field in V/m
+W_E=(1/2)*epsilon*E^2 // electric energy density of the wave
+disp(W_E*10^9,"electric energy density of the wave in nJ/m^3:")
+W_H=W_E // as the energy density is equal to that of magnetic field for a pla`ne travelling wave
+W_T=W_E+W_H // total energy density
+disp(W_H*10^9,"magnetic energy density of wave in nJ/m^3:")
+disp(W_T*10^9,"Total energy density in nJ/m^3:")
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