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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 /2780/CH12/EX12.14 | |
| 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 '2780/CH12/EX12.14')
| -rwxr-xr-x | 2780/CH12/EX12.14/Ex12_14.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/2780/CH12/EX12.14/Ex12_14.sce b/2780/CH12/EX12.14/Ex12_14.sce new file mode 100755 index 000000000..26ad797bc --- /dev/null +++ b/2780/CH12/EX12.14/Ex12_14.sce @@ -0,0 +1,12 @@ +clc
+//to calculate conduction current and displacement current densities
+sigma=10^-3 //conductivity in mhos/m
+E=4*10^-6 //where E=4*10^-6*sin(9*10^9t) v/m
+J=sigma*E
+disp("conduction current density is J="+string(J)+"sin(9*10^9t) A/m")
+epsilon0=8.85*10^-12 //permittivity in free space
+epsilonr=2.45 //relative permittivity
+//formula is epsilon0*epsilonr*(delE/delt)
+//delE/delt=4*10^-6*9*10^9*cos(9*10^9*t)
+Jd=epsilon0*epsilonr*4*10^-6*9*10^9
+disp("displacement current density is Jd="+string(Jd)+"cos(9*10^9*t) A/m^2")
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