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| author | kinitrupti | 2017-05-12 18:53:46 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:53:46 +0530 |
| commit | 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d (patch) | |
| tree | 22789c9dbe468dae6697dcd12d8e97de4bcf94a2 /Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb | |
| parent | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (diff) | |
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Removed duplicates
Diffstat (limited to 'Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb')
| -rwxr-xr-x | Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb | 159 |
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diff --git a/Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb b/Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb new file mode 100755 index 00000000..cbbc468c --- /dev/null +++ b/Engineering_Physics_by_Shyam_Singh_and_Rajeev_Singh/Chapter11.ipynb @@ -0,0 +1,159 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:4bb25a18af878dce815ea6fd0470757443fe2ad8404e54fa1bb8e38dd97cd417"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "11: Electrostatics and electromagnetic theory"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 11.1, Page number 279"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mew = 1; #parameter of aluminium\n",
+ "sigma = 3.54*10**7; #conductivity(mho/m)\n",
+ "delta = 0.01*10**-3; #skin depth of aluminium(mm)\n",
+ "\n",
+ "#Calculation\n",
+ "new = 1/((delta**2)*math.pi*mew*sigma); #frequency(Hz)\n",
+ "new = math.ceil(new*10**2)/10**2; #rounding off to 2 decimals\n",
+ "\n",
+ "#Result\n",
+ "print \"frequency is\",new,\"Hz\"\n",
+ "print \"answer given in the book is wrong\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "frequency is 89.92 Hz\n",
+ "answer given in the book is wrong\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 11.2, Page number 280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "se = 2; #solar energy(cal /min /cm**2)\n",
+ "j = (4.2*10**4)/60; #conversion factor from cal /min /cm**2 to J /m**2 /sec)\n",
+ "mew0 = 4*math.pi*10**-7; #permeability of free space(H/m)\n",
+ "epsilon0 = 8.854*10**-12; #permittivity of free space(F/m)\n",
+ "\n",
+ "#Calculation\n",
+ "EH = se*j; #solar energy(J /m**2 /sec)\n",
+ "EbyH = math.sqrt(mew0/epsilon0);\n",
+ "EbyH = math.ceil(EbyH*10)/10; #rounding off to 1 decimal\n",
+ "H = math.sqrt(EH/EbyH); #magnetic field of radiation\n",
+ "E = EbyH*H;\n",
+ "H = math.ceil(H*10**3)/10**3; #rounding off to 3 decimals\n",
+ "E = math.ceil(E*10)/10; #rounding off to 1 decimal\n",
+ "E0 = E*math.sqrt(2); #electric field of radiation(volt/m)\n",
+ "H0 = H*math.sqrt(2); #magnetic field of radiation (amp-turn/m)\n",
+ "H0 = math.ceil(H0*10**2)/10**2; #rounding off to 2 decimals\n",
+ "\n",
+ "#Result\n",
+ "print \"electric field of radiation is\",int(E0),\"volt/m\"\n",
+ "print \"magnetic field of radiation is\",H0,\"amp-turn/m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "electric field of radiation is 1027 volt/m\n",
+ "magnetic field of radiation is 2.73 amp-turn/m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 11.3, Page number 280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "p = 4.3*10**-8; #polarization(C/m**2)\n",
+ "E = 1000; #electric field(V/m)\n",
+ "epsilon0 = 8.85*10**-12; #permittivity of free space(F/m)\n",
+ "\n",
+ "#Calculation\n",
+ "epsilonr = 1+(p/(epsilon0*E)); #relative permittivity\n",
+ "epsilonr = math.ceil(epsilonr*10**2)/10**2; #rounding off to 2 decimals\n",
+ "\n",
+ "#Result\n",
+ "print \"relative permittivity is\",epsilonr"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "relative permittivity is 5.86\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |