From d36fc3b8f88cc3108ffff6151e376b619b9abb01 Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:40:35 +0530 Subject: Revised list of TBCs --- modern_physics_by_Satish_K._Gupta/chap7.ipynb | 832 -------------------------- 1 file changed, 832 deletions(-) delete mode 100755 modern_physics_by_Satish_K._Gupta/chap7.ipynb (limited to 'modern_physics_by_Satish_K._Gupta/chap7.ipynb') diff --git a/modern_physics_by_Satish_K._Gupta/chap7.ipynb b/modern_physics_by_Satish_K._Gupta/chap7.ipynb deleted file mode 100755 index 0476eb75..00000000 --- a/modern_physics_by_Satish_K._Gupta/chap7.ipynb +++ /dev/null @@ -1,832 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:3ec304c8c9eb23fdd2ae23967a8effd62df3acdefa633ca8bf2a83485250a21b" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 7 Electrical Measurements" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.1 Page no 229" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "R1=2\n", - "R2=3\n", - "R3=5\n", - "E1=6\n", - "E2=4\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[7,5],[5,8]])\n", - "b=np.array([6,4])\n", - "z=np.linalg.solve(A,b)\n", - "Z=z[0]\n", - "Z1=z[1]\n", - "A1=Z+Z1\n", - "\n", - "#Result\n", - "print\"Current through R1 is\", round(Z,3),\"A\"\n", - "print\"Current through R2 is\", round(Z1,3),\"A\"\n", - "print\"Current through R3 is\",round(A1,2),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Current through R1 is 0.903 A\n", - "Current through R2 is -0.065 A\n", - "Current through R3 is 0.84 A\n" - ] - } - ], - "prompt_number": 33 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.2 Page no 229" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "E1=1.5 #V\n", - "E2=2.0 #V\n", - "r1=1 #ohm\n", - "r2=2 #ohm\n", - "R=5 #ohm\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[6,5],[5,7]])\n", - "B=np.array([1.5,2])\n", - "Z=np.linalg.solve(A,B)\n", - "Z1=Z[0]\n", - "Z2=Z[1]\n", - "A1=(Z1+Z2)*R\n", - "\n", - "#Result\n", - "print\"Current through R1 is\", round(Z1,4),\"A\"\n", - "print\"Current through R2 is\",round(Z2,4),\"A\"\n", - "print\"Current through R3 is\",round(A1,4),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Current through R1 is 0.0294 A\n", - "Current through R2 is 0.2647 A\n", - "Current through R3 is 1.4706 A\n" - ] - } - ], - "prompt_number": 42 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.3 Page no 230" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "E1=2 #V\n", - "E2=1 #V\n", - "E3=4 #V\n", - "r1=4 #ohm\n", - "r2=3 #ohm\n", - "r3=2 #ohm\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[1,1,1],[4,-3,0],[0,3,-2]])\n", - "A1=np.array([0,1,-3])\n", - "Z=np.linalg.solve(A,A1)\n", - "Z1=Z[0]\n", - "Z2=Z[1]\n", - "Z3=Z[2]\n", - "\n", - "#Result\n", - "print\"Current through R1 is\", round(Z1,2),\"A\"\n", - "print\"Current through R2 is\",round(Z2,2),\"A\"\n", - "print\"Current through R3 is\",round(Z3,2),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Current through R1 is -0.15 A\n", - "Current through R2 is -0.54 A\n", - "Current through R3 is 0.69 A\n" - ] - } - ], - "prompt_number": 26 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.4 Page no 230" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "R1=5 #ohm\n", - "R3=2 \n", - "R=10\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[9,5],[10,19]])\n", - "A1=np.array([1,1])\n", - "Z=np.linalg.solve(A,A1)\n", - "Z1=Z[0]\n", - "Z2=Z[1]\n", - "I=(Z1+Z2)*R\n", - "\n", - "#Result\n", - "print\"Potential difference across the resistor is\", round(I,4),\"V\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Potential difference across the resistor is 1.0744 V\n" - ] - } - ], - "prompt_number": 25 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.5 Page no 230" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "A=10 #ohm\n", - "B=5 #ohm\n", - "S=2\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[25,-10],[5,5]])\n", - "B=np.array([9,7]) \n", - "Z=np.linalg.solve(A,B)\n", - "Z1=Z[1]*10\n", - "\n", - "#Result\n", - "print\"Equivalent resistance is\", round(Z1,0),\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Equivalent resistance is 7.0 ohm\n" - ] - } - ], - "prompt_number": 51 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.6 Page no 231 " - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "P=15 #ohm\n", - "Q=12.0\n", - "R=10.0\n", - "S=4\n", - "\n", - "#Calculation\n", - "R1=S*(P/Q)\n", - "X=1/(1/R1-1/R)\n", - "\n", - "#Result\n", - "print\"The resistance to be connectedin parallel is\",X,\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The resistance to be connectedin parallel is 10.0 ohm\n" - ] - } - ], - "prompt_number": 8 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.7 Page no 231" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "P=4.0\n", - "Q=4.0\n", - "R=4.0\n", - "X=4.0\n", - "\n", - "#Calculation\n", - "R1=P+Q\n", - "R2=R+X\n", - "R3=1/(1/R1+1/R2)\n", - "I=P/R3\n", - "I1=I/2\n", - "\n", - "#Result\n", - "print\"(i) Equivalent resistance is\",R3,\"ohm\"\n", - "print\"(ii) The magnitudes of current is\",I1,\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(i) Equivalent resistance is 4.0 ohm\n", - "(ii) The magnitudes of current is 0.5 A\n" - ] - } - ], - "prompt_number": 41 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.8 Page no 232" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "a=4\n", - "b=3\n", - "c=2.0\n", - "E=6 #v\n", - "\n", - "#Calculation\n", - "X=(a*b)/c\n", - "R1=a+c\n", - "R2=b+R1\n", - "R=((R1*R2)/(R1+R2))+2.4\n", - "I=E/R\n", - "\n", - "#Result\n", - "print\"Current drawn by the circuit is\", I,\"A\"\n", - "print\"Unknown resistance is\",R,\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Current drawn by the circuit is 1.0 A\n", - "Unknown resistance is 6.0 ohm\n" - ] - } - ], - "prompt_number": 59 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.9 Page no 232" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "a=1.5\n", - "b=5\n", - "c=6\n", - "\n", - "#Calculation\n", - "I1=a/(b+c)\n", - "I2=I1/10.0\n", - "I=I1+I2\n", - "\n", - "#Result\n", - "print\"Current in the arms is\", round(I1,4),\"A and\",round(I2,4),\"A\"\n", - "print\"Current in the cell is\",I,\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Current in the arms is 0.1364 A and 0.0136 A\n", - "Current in the cell is 0.15 A\n" - ] - } - ], - "prompt_number": 68 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.10 Page no 233" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "X=10\n", - "P=3\n", - "Q=2.0\n", - "\n", - "#Calculation\n", - "R=X*P/Q\n", - "L=1/R\n", - "\n", - "#Result\n", - "print\"Length is\",round(L,3),\"m\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Length is 0.067 m\n" - ] - } - ], - "prompt_number": 71 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.11 Page no 233" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "r=6 #ohm\n", - "l=1/3.0\n", - "r1=2/3.0\n", - "\n", - "#Calculation\n", - "R1=r/((2.0*(r1/l))-1)\n", - "R2=2*R1\n", - "\n", - "#Result\n", - "print\"Resistance of two wires is\", R1,\"ohm and\",R2,\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Resistance of two wires is 2.0 ohm and 4.0 ohm\n" - ] - } - ], - "prompt_number": 76 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.12 Page no 233" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "P=1.2 #ohm\n", - "Q=0.8\n", - "R=2\n", - "E=4 #V\n", - "\n", - "#Calculation\n", - "X=(R*P)/Q\n", - "R1=X+R\n", - "R2=P+Q\n", - "R11=R1*R2/(R1+R2)\n", - "I=E/R11\n", - "\n", - "#Result\n", - "print\"Unknown resistance is\", X,\"ohm\"\n", - "print\"Current drawn is\",I,\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Unknown resistance is 3.0 ohm\n", - "Current drawn is 2.8 A\n" - ] - } - ], - "prompt_number": 83 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.13 Page no 233" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "R=20.0 #ohm\n", - "V=10**-3 #V/m\n", - "l=10**4 #mm\n", - "V1=10**-2 #V\n", - "\n", - "#Calculation\n", - "I=V1/R\n", - "R1=(2/I)-R\n", - "\n", - "#Result\n", - "print\"Value of resistance is\", R1,\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Value of resistance is 3980.0 ohm\n" - ] - } - ], - "prompt_number": 87 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.14 Page no 233" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "l1=65 #cm\n", - "l2=60.0\n", - "a=0.1\n", - "\n", - "#Calculation\n", - "E1=((a*l1)/l2)/((l1/l2)-1)\n", - "E2=E1-a\n", - "\n", - "#Result\n", - "print\"E.m.f of cell is\", E1,\"V and\",E2,\"V\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "E.m.f of cell is 1.3 V and 1.2 V\n" - ] - } - ], - "prompt_number": 93 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.15 Page no 234" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "S=9.5 #ohm\n", - "I1=76.3 #cm\n", - "l2=64.8\n", - "\n", - "#Calculation\n", - "r=((I1/I2)-1)*S\n", - "\n", - "#Result\n", - "print\"Internal resistance is\",round(r*10**-3,1),\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Internal resistance is 53.1 ohm\n" - ] - } - ], - "prompt_number": 138 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.16 Page no 234" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "E=10*10**-3 \n", - "r=10\n", - "l=40 #cm\n", - "\n", - "#Calculation\n", - "R=10*l/100.0\n", - "R1=(R*2/E)-10\n", - "\n", - "#Result\n", - "print\"External resistance is\", R1,\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "External resistance is 790.0 ohm\n" - ] - } - ], - "prompt_number": 111 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.17 Page no 234" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "R1=10*10**3\n", - "E=12\n", - "\n", - "#Calculation\n", - "R=R1/((E/2.0)-1)\n", - "\n", - "#Result\n", - "print\"(a) Resistance is\",R*10**-3,\"K ohm\"\n", - "print\"(b) When current flows through a resistor,its temperature increases due toheat produced across it.\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) Resistance is 2.0 K ohm\n", - "(b) When current flows through a resistor,its temperature increases due toheat produced across it.\n" - ] - } - ], - "prompt_number": 116 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.18 Page no 235" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "a=3.0\n", - "b=6.0\n", - "\n", - "#Caculation\n", - "E=(1/a)+(1/b)+1+(1/a)\n", - "\n", - "#Result\n", - "print\"Equivalent resistance is\",round(E,2),\"r\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Equivalent resistance is 1.83 r\n" - ] - } - ], - "prompt_number": 120 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.22 Page no 237" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "a=5\n", - "b=10\n", - "\n", - "#Calculation\n", - "import math\n", - "A=np.array([[7,1],[1,5]])\n", - "A1=np.array([2,2])\n", - "B=np.linalg.solve(A,A1)\n", - "B1=B[0]\n", - "B2=B[1]\n", - "E=(a*B2)+(B1*b)\n", - "\n", - "#Result\n", - "print\"Equivalent resistance is\", round(E,2),\"ohm\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Equivalent resistance is 4.12 ohm\n" - ] - } - ], - "prompt_number": 125 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7.23 Page no 238" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "R=12.5\n", - "l=39.5\n", - "\n", - "#Calculation\n", - "X=(R*(100-l))/l\n", - "L=X/(X+R)\n", - "\n", - "#Result\n", - "print\"(a) Resistance is\",round(X,2),\"W\"\n", - "print\"(b) Balance point of bridge is\", L*10**2,\"cm\"\n", - "print\"(c) The galvanometer will not show any current.\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) Resistance is 19.15 W\n", - "(b) Balance point of bridge is 60.5 cm\n", - "(c) The galvanometer will not show any current.\n" - ] - } - ], - "prompt_number": 135 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit