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| author | Trupti Kini | 2016-07-07 23:30:28 +0600 |
|---|---|---|
| committer | Trupti Kini | 2016-07-07 23:30:28 +0600 |
| commit | 680d88758fa56798d0cd89ab95c8062c4b2cb690 (patch) | |
| tree | a0199725912d6ab6952e00e2555f8ae68f91675f /Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb | |
| parent | 8307f7c1262be8eb0f128b763c83439d5f31e069 (diff) | |
| download | Python-Textbook-Companions-680d88758fa56798d0cd89ab95c8062c4b2cb690.tar.gz Python-Textbook-Companions-680d88758fa56798d0cd89ab95c8062c4b2cb690.tar.bz2 Python-Textbook-Companions-680d88758fa56798d0cd89ab95c8062c4b2cb690.zip | |
Added(A)/Deleted(D) following books
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter1.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter10.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter13.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter14.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter15.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter3.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter4.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter5.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter6.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter7.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter8.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter9.ipynb
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/screenshots/Screenshot_(88).png
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/screenshots/Screenshot_(89).png
A Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/screenshots/Screenshot_(90).png
A "sample_notebooks/PRAVEENKUMAR C/STATICS_CHAPTER_1.ipynb"
Diffstat (limited to 'Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb')
| -rw-r--r-- | Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb b/Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb new file mode 100644 index 00000000..45a48172 --- /dev/null +++ b/Basic_Electronics_(Electronics_Engineering)_by_J.B.Gupta/chapter2.ipynb @@ -0,0 +1,81 @@ +{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "#Chapter 2 , Energy Levels and Electron Emission"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 2.1 , Page Number 33 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " Emission current is 0.0166 A.\n"
+ ]
+ }
+ ],
+ "source": [
+ "import math\n",
+ "\n",
+ "#Variables\n",
+ "\n",
+ "phi = 3.4 #Voltage (in electron-volt)\n",
+ "e = 1.6 * 10**-19 #Charge on electron (in Coulomb)\n",
+ "A = 6.0 * 10**4 #Emission constant (in Ampere per meter-square per kelvin-square)\n",
+ "T = 2000.0 #Temperature (in kelvin)\n",
+ "l = 40.0 * 10**-3 #Length (in meter)\n",
+ "D = 0.2 * 10**-3 #Diameter (in meter)\n",
+ "k = 1.38 * 10**-23 #Boltzmann constant (in meter-square kilogram per second-square per kelvin)\n",
+ "\n",
+ "#Calculation\n",
+ "\n",
+ "b = phi * e /k #Constant \n",
+ "Js = A*T**2*math.exp(-b/T) #Emission current density (in Ampere per meter-square)\n",
+ "S = math.pi * D * l #Emitting surface (in meter-square)\n",
+ "I = Js * S #Emission current (in Ampere) \n",
+ "\n",
+ "#Result\n",
+ "\n",
+ "print \"Emission current is \",round(I,4),\" A.\"\n",
+ "\n",
+ "#Slight variation due to higher precision."
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.10"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
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