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	   "source": [
       "# Chapter 14: WAVEGUIDES"
	   ]
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		   "source": [
			"## Example 14.2_1: example_1.sce"
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"clc;\n",
"//page no 524\n",
"//prob no. 14.2.1\n",
"// A rectangular waveguide has a broad wall dimension as a=0.900 in. Therefore\n",
"a=2.286;//in cm\n",
"wl_c=2*a*10^-2;//in m\n",
"c=3*10^8;\n",
"wl=c/10^10;//in m\n",
"if(wl_c >wl)\n",
"    disp('i)TE10 wave will propogate');\n",
"else\n",
"    disp('i)TE10 wave will not propogate');\n",
"end\n",
"//determination of gide wl\n",
"wl_g=wl/(sqrt(1-(wl/wl_c)^2));\n",
"disp('cm',wl_g*10^2,'Guide wavelength is');\n",
"//determination of phase velocity\n",
"vp=c*wl_g/wl;\n",
"disp('m/s',vp,'Phase velocity is');\n",
"//determination of group velocity\n",
"vg=c*wl/wl_g;\n",
"disp('m/s',vg,'Group velocity is');"
   ]
   }
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