path: root/The_Field_of_Electronics_by_R_Morrison/1-Electric_field.ipynb

{
"cells": [
 {
		   "cell_type": "markdown",
	   "metadata": {},
	   "source": [
       "# Chapter 1: Electric field"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.10: calculating_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"a=20;      //amplitude in cm\n",
"n=6;      //frequency per second\n",
"w=2*(%pi)*n;   //omega in radians/sec\n",
"disp(w,'Omega in radians/sec = ');   //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.11: calculating_power_dissipated.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"a=6;     //amplitude in cm\n",
"n=9;     //frequency in Hz.\n",
"vmax=2*(%pi)*n*6;  //calculating velocity in cm/sec\n",
"acc=-((18*(%pi))^2)*6;  //calculating acc. in m/sec square\n",
"disp(vmax,'Maximum velocity in cm/sec = ');  //displaying result\n",
"disp('Velocity at extreme position = 0');   //displaying result\n",
"disp('Accelaration at mean position = 0');  //displaying result\n",
"disp(acc,'Accelaration at extreme position in m/sec square = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.12: calculating_power_dissipated.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"g=9.8;   //gravitational constant\n",
"m=50;   //mass in kg\n",
"l=0.2;   //length in m\n",
"T=0.6;    //time period\n",
"k=(m*g)/l;   //calculating constant\n",
"m=2450*((T/(2*(%pi)))^2);  //calcualting mass using given time period\n",
"disp(m,'Mass of body in kg = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.13: calculating_the_power_level.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=4;  //volts\n",
"t=8;  //time in sec\n",
"ch=4;  //charge in Coloumb\n",
"c=ch/t;  //current\n",
"p=c*v;  //power\n",
"e=p*t;  //energy\n",
"disp(c,'Current in Ampere = ');  //displaying current\n",
"disp(p,'Power in Watt = ');  //displaying power\n",
"disp(e,'Energy in Joule = ');  //displaying energy"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.14: finding_configuration.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"disp('In a)parallel b)series c)Two pairs of parallel and then in series');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.15: no_of_resistances.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"p=1/8;  //power disipation per resistor\n",
"v=sqrt(100/8);  //voltage across each resistor\n",
"disp(14.14,'a)Voltage in Series in Ohm = '); //displaying result\n",
"disp(v,'b)Voltage in Parallel in Ohm =');  //displaying result\n",
"disp(7.07,'c)Voltage in Series-Parallel in Ohm = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.16: calculating_wattage_rating.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=10;  //voltage in volt\n",
"t=2;  //time in sec\n",
"r=40;  //resistance in ohm\n",
"p=(v^2)/r;  //power\n",
"e=5/5;  //energy in Watt\n",
"disp(p,'Power in Watt = ');  //displaying power\n",
"disp('2 W resistor is adequate.');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.17: calculating_power_dissipation.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=24;  //voltage in volt\n",
"t=2;  //time in sec\n",
"r=48;  //resistance in ohm\n",
"p=(v^2)/r;  //calculating power\n",
"disp(p,'Power in Watt = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.18: calculating_joules.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"i=60;  //current in ampere\n",
"v=12;  //voltage in volt\n",
"t=3600;  //time in sec\n",
"p=i*v*t;  //calculating power\n",
"disp(p,'Number of joules = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.19: calculating_wattage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=12;  //voltage in volt\n",
"ah=720;  //ampere-hours\n",
"am=ah/24;  //calculating amperage\n",
"r=v/am;  //calculating resistance\n",
"disp(r,'Load in Ohm = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.1: calculating_Electric_field_intensity.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"n=512;  //frequency in Hz\n",
"l=67;   //wavelength in cm\n",
"v=n*l;   //calculating velocity\n",
"disp(v,'Velocity in cm/sec = ');   //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.20: calculating_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"p=200;  //power in Watt\n",
"v=12;  //voltage in volt\n",
"i=p/v;  //calculating current in Ampere\n",
"I=p/6;  //calculating\n",
"disp(i,'Current in Ampere = ');  //displaying\n",
"disp(I,'Current in Ampere if voltage were 6V = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.21: calculating_energy.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"E=10^6;  //in volt/m\n",
"e=8.85*10^-12;  //constant in F/m\n",
"v=10^-5;  //volume in m cube\n",
"en=(1/2)*e*E*E*v;  //calculating energy\n",
"disp(en,'Energy in Joule = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.22: calculating_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"en=4.42*10^-5;  //energy in Joule\n",
"v=10^6;\n",
"q=(2*en)/v;  //calculating q\n",
"disp(q,'Charge in Coloumb = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.23: calculating_force.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"e=4.42*10^-5;  //energy in Joule\n",
"v=1.1*10^-5;  //volume in m cube\n",
"dv=(10/100)*e;  //calculating change in energy\n",
"dd=10^-4;  //change in dimension in metre\n",
"f=dv/dd;  //calculating force\n",
"disp(f,'Force in kg = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.24: calculating_average_power.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"disp('a)1A for 1 sec = 10J/sec ');  //displaying\n",
"disp('b)10A for 0.1 sec = 100 J/sec');  //displaying\n",
"disp('c)100A for 0.01 sec = 1000 J/sec');  //displaying"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.25: calculating_peak_power.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"disp('Peak power is when 100 A flows for 0.01 sec = 1000J/sec');  //displaying"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.2: calculating_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=340;  //velocity in m/sec\n",
"l=0.68;   //wavelength in m\n",
"n=v/l;   //calculating frequency\n",
"disp(n,'Frequency in Hz = ');   //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.3: calculating_resistance_and_conductance.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=3*10^8;  //velocity in m/sec\n",
"n=500*10^3;   //frequency in Hz\n",
"l=v/n;   //calculating wavelength\n",
"disp(l,'Wavelength in m = ');   //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.4: calculating_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"v=330;  //velocity in m/sec\n",
"n=560;   //frequency in Hz\n",
"l=v/n;   //calculating wavelength\n",
"disp(l*30,'Distance travelled in 30 vibrations in m = ');   //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.5: calculating_work.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"s=90;     //distance in m\n",
"u=0;      //initial velocity in m/sec\n",
"t=sqrt(90/4.9);    //calculating time using kinematical equation\n",
"t1=4.56-t;      //calculating time taken by sound to travel\n",
"v=s/t1;      //calculating velocity\n",
"disp(v,'Velocity in m/sec = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.6: calculating_resistance.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"l1=1.5;   //wavelength in m\n",
"l2=2;   //wavelength in m\n",
"v1=120;  //velocity in m/sec\n",
"n=v1/l1;    //calculating frequency\n",
"v2=n*l2;   //calculating velocity\n",
"disp(v2,'Velocity in m/sec = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.7: calculating_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"l=5641*10^-10;   //wavelength in m\n",
"c=3*10^8;        //velocity in m/sec\n",
"n=c/l;         //calculating frequency\n",
"u=1.58;       //refractive index of glass\n",
"cg=c/u;        //calculating velocity of light in glass\n",
"l1=cg/n;      //calculating wavelegth in glass\n",
"disp(l1*10^10,'Wavelength in glass in Angstrom =');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.8: calculating_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"n=12*10^6;        //frequency in Hz\n",
"v=3*10^8;        //velocity in m/sec\n",
"l=v/n;           //calculating wavelength\n",
"disp(l,'Wavelength in m = ');  //displaying result"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.9: calculating_internal_resistance.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"clc;\n",
"n=400;        //frequency in Hz\n",
"v=300;        //velocity in m/sec\n",
"l=v/n;           //calculating wavelength\n",
"disp(l,'Wavelength in m = ');  //displaying result"
   ]
   }
],
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