diff options
Diffstat (limited to 'modern_physics_by_Satish_K._Gupta/chap11_1.ipynb')
| -rw-r--r-- | modern_physics_by_Satish_K._Gupta/chap11_1.ipynb | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/modern_physics_by_Satish_K._Gupta/chap11_1.ipynb b/modern_physics_by_Satish_K._Gupta/chap11_1.ipynb new file mode 100644 index 00000000..bce9c399 --- /dev/null +++ b/modern_physics_by_Satish_K._Gupta/chap11_1.ipynb @@ -0,0 +1,466 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:516acdbb9c17332f6e1ea973b0354e9af84e691b9ea2bf4ff9f153c48f9c31a8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 11 Magnetic Effects Of Current And Magnetism "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.1 Page no 350"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given \n",
+ "i=90 #A\n",
+ "a=1.5 #m\n",
+ "b=2\n",
+ "l=10**7\n",
+ "\n",
+ "#Calculation\n",
+ "u=l*((b*i)/a)\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnitude of the magnetic field is\",u*10**-9,\"10**-5\",\"T\"\n",
+ "print\"Direction of the magnetic field is south\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnitude of the magnetic field is 1.2 10**-5 T\n",
+ "Direction of the magnetic field is south\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.2 Page no 350"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "I=3 #A\n",
+ "a=0.15 #m\n",
+ "e=10**-7\n",
+ "b=2\n",
+ "\n",
+ "#Calculation\n",
+ "Z=(e*b*I)/a\n",
+ "\n",
+ "#Result\n",
+ "print\"The magnitude of the magnetic field is\",Z*10**6,\"10**-6\",\"T\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The magnitude of the magnetic field is 4.0 10**-6 T\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.4 Page no 351"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "l=10 #A\n",
+ "a=0.05 #cm\n",
+ "b=10**-7\n",
+ "a1=45 #degree\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "B=b*(l/a)*(math.sin(a1*3.14/180.0)+math.sin(a1*3.14/180.0))\n",
+ "B1=4*B\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnetic field induction is\",round(B1*10**4,2),\"*10**-4 T\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnetic field induction is 1.13 *10**-4 T\n"
+ ]
+ }
+ ],
+ "prompt_number": 38
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.5 Page no 351"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "n=10\n",
+ "a=0.08 #m\n",
+ "l=2 #A\n",
+ "v=10**-7\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "B=(v*l*math.pi*n*l)/a\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnitude of the magnetic field is\", round(B*10**4,2),\"*10**-4 T\"\n",
+ "print\"Direction of the field is vertically downward.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnitude of the magnetic field is 1.57 *10**-4 T\n",
+ "Direction of the field is vertically downward.\n"
+ ]
+ }
+ ],
+ "prompt_number": 44
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.6 Page no 351"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "v=2.2*10**6 #m/s\n",
+ "a=0.5*10**-10 #m\n",
+ "e=1.6*10**-19\n",
+ "m=10**-7 #N/a**2\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "I=e*v/(2*math.pi*a)\n",
+ "B=m*2*math.pi*I/a\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnetic field produced at the centre is\", B,\"T\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnetic field produced at the centre is 14.08 T\n"
+ ]
+ }
+ ],
+ "prompt_number": 49
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.8 Page no 352"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "I=10 #A\n",
+ "a=0.03 #m\n",
+ "a1=360 #degree\n",
+ "a2=90\n",
+ "a3=10**-7\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "A=a1-a2\n",
+ "B=a3*I*3*math.pi/(a*2.0)\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnitude of magnetic field is\", round(B*10**4,2),\"*10**-4 T\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnitude of magnetic field is 1.57 *10**-4 T\n"
+ ]
+ }
+ ],
+ "prompt_number": 55
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.10 Page no 352"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "n=500\n",
+ "I=7 #A\n",
+ "a=0.05 #m\n",
+ "x=0.12 #m\n",
+ "m=10**-7\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "B=(2*math.pi*n*I*a**2)/(a**2+x**2)**1.5\n",
+ "B1=m*2*math.pi*n*I/a\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) Magnetic field at the point on the axis is\", round(B*10**-4,1),\"*10**-3 tesla\"\n",
+ "print\"(b)Magnetic field at the centre of the coil is\",round(B1*10**2,2),\"*10**-2 tesla\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) Magnetic field at the point on the axis is 2.5 *10**-3 tesla\n",
+ "(b)Magnetic field at the centre of the coil is 4.4 *10**-2 tesla\n"
+ ]
+ }
+ ],
+ "prompt_number": 69
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.13 Page no 353"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "B=2.52*10**-3 #T\n",
+ "l=0.5 #m\n",
+ "N=500\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "n=N/l\n",
+ "I=B/(4*math.pi*10**-7*n)\n",
+ "\n",
+ "#Result\n",
+ "print\"Current in the solenoid is\", round(I,0),\"A\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Current in the solenoid is 2.0 A\n"
+ ]
+ }
+ ],
+ "prompt_number": 75
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.14 Page no 353"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "I=5 #A\n",
+ "l=2.0 #m\n",
+ "n=1000\n",
+ "n1=5\n",
+ "\n",
+ "#Calculation\n",
+ "N=n*n1\n",
+ "n2=N/l\n",
+ "B=4*math.pi*10**-7*n2*I\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnetic field at the center is\", round(B*10**2,2),\"*10**-2 T\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnetic field at the center is 1.57 *10**-2 T\n"
+ ]
+ }
+ ],
+ "prompt_number": 80
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.15 Page no 353"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "a=16.0*10**-2 #m\n",
+ "n=20\n",
+ "I=16 #A\n",
+ "b=10**-7\n",
+ "a1=10.0*10**-2\n",
+ "n1=25\n",
+ "I1=18\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "B=b*2*math.pi*n*I/a\n",
+ "B1=b*2*math.pi*n1*I1/a1\n",
+ "B2=B1-B\n",
+ "\n",
+ "#Result\n",
+ "print\"Magnitude of the magnetic field is\", round(B1*10**4,2),\"*10**-4 T\"\n",
+ "print\"Direction is towards west\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Magnitude of the magnetic field is 28.27 *10**-4 T\n",
+ "Direction is towards west\n"
+ ]
+ }
+ ],
+ "prompt_number": 88
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.18 Page no 355"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "l=11 #A\n",
+ "s=3500\n",
+ "r1=25 #cm\n",
+ "r2=26\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "w=((r1+r2)/2.0)\n",
+ "l1=2*math.pi*w\n",
+ "n=s/l1\n",
+ "B=4*math.pi*10**-7*n*l\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) Magnetic field outside the toroid is zero\"\n",
+ "print\"(b) Magnetic field inside the core is\",round(B*10**4,2),\"*10**-2 T\"\n",
+ "print\"(c) Magnetic field in the empty space is zero\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) Magnetic field outside the toroid is zero\n",
+ "(b) Magnetic field inside the core is 3.02 *10**-2 T\n",
+ "(c) Magnetic field in the empty space is zero\n"
+ ]
+ }
+ ],
+ "prompt_number": 105
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |