{
"cells": [
 {
		   "cell_type": "markdown",
	   "metadata": {},
	   "source": [
       "# Chapter 1: Electrical Fundamentals"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.10: Express_the_voltage_in_millivolt_using_exp_notation.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.10\n",
"clc;\n",
"clear;\n",
"close;\n",
"vg_v=3.75*10^-6;//given\n",
"vg_mv=vg_v*1000;\n",
"printf('%f volt voltage is %e mV',vg_v,vg_mv);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.11: Calculate_the_voltage_dropped_across_33kohm_with_3mA_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.11\n",
"clc;\n",
"clear;\n",
"close;\n",
"r=33000;//in ohms\n",
"i=0.003;//in amp\n",
"v=i*r;\n",
"printf('Voltage dropped = %d volts',v);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.12: Calculate_the_charge_transferred_in_20ms_by_45_microamp_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.12\n",
"clc;\n",
"clear;\n",
"close;\n",
"t=20*10^-3;//in sec\n",
"i=45*10^-6;//in amp\n",
"q=i*t*10^9;\n",
"printf('Charge transferred = %f nC',q);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.13: EX1_13.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.13\n",
"clc;\n",
"clear;\n",
"close;\n",
"p=0.3;//in watts\n",
"v=1500;//in volts\n",
"i=(p/v)*10^6;\n",
"printf('Current supplied = %d microamp',i);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.14: Calculate_the_current_through_resistor_12ohm_with_6V_battery.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.14\n",
"clc;\n",
"clear;\n",
"close;\n",
"r=12;//in ohms\n",
"v=6;//in volts\n",
"i=(v/r);\n",
"printf('Current = %f Amp',i);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.15: Calculate_the_voltage_developed_across_56ohm_with_100mA_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.15\n",
"clc;\n",
"clear;\n",
"close;\n",
"r=56;//in ohms\n",
"i=0.1;//in amp\n",
"v=i*r;\n",
"printf('Voltage dropped = %f volts',v);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.16: Calculate_the_resistance_with_15_volt_applied_with_1mA_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.16\n",
"clc;\n",
"clear;\n",
"close;\n",
"v=15;//in volts\n",
"i=0.001;//in amp\n",
"r=v/i;\n",
"printf('Resistance = %d ohms',r);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.17: Calculate_the_resistance_of_8m_length_cooper_wire.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.17\n",
"clc;\n",
"clear;\n",
"close;\n",
"p=1.724*10^-8;//in ohm-meter\n",
"l=8;//in meters\n",
"a=1*10^-6;//in sq. meter\n",
"r=(p*l)/a;\n",
"printf('Resistance = %f ohms',r);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.18: Calculate_the_voltage_drop_between_the_ends_of_the_20m_wire_carring_5A_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.18\n",
"clc;\n",
"clear;\n",
"close;\n",
"p=1.724*10^-8;//in ohm-meter\n",
"l=20;//in meters\n",
"a=1*10^-6;//in sq. meter\n",
"i=5;//in amperes\n",
"r=(p*l)/a;\n",
"v=i*r;\n",
"printf('Voltage dropped = %f volts',v);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.19: Calculate_the_power_supplied_by_3_V_battery.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.19\n",
"clc;\n",
"clear;\n",
"close;\n",
"v=3;//in volts\n",
"i=1.5;//in amperes\n",
"p=v*i;\n",
"printf('Power supplied = %f watts',p);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.20: Calculate_the_power_dissipated_in_100ohm_with_4V_drop.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.20\n",
"clc;\n",
"clear;\n",
"close;\n",
"v=4;//in volts\n",
"r=100;//in ohms\n",
"p=(v^2)/r;\n",
"printf('Power dissipated = %f watts',p);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.21: Calculate_the_power_dissipated_in_100ohm_with_4V_drop.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.21\n",
"clc;\n",
"clear;\n",
"close;\n",
"i=20*10^-3;//in amps\n",
"r=1000;//in ohms\n",
"p=(i^2)*r;\n",
"printf('Power dissipated = %f watts',p);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.22: EX1_22.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.22\n",
"clc;\n",
"clear;\n",
"close;\n",
"v=600;//in volts\n",
"d=25*10^-3;//in meters\n",
"E=(v)/d;\n",
"printf('Electric Field Strength = %d kV/m',E/1000);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.23: Calculate_the_flux_density_at_50mm_from_st_wire_carrying_20A.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.23\n",
"clc;\n",
"clear;\n",
"close;\n",
"u=4*%pi*10^-7;//in H/m\n",
"i=20;//in amps\n",
"d=50*10^-3;//in meters\n",
"B=(u*i)/(2*%pi*d);\n",
"printf('Flux Density = %e Tesla',B);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.24: Calculate_the_total_flux_by_flux_density.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.24\n",
"clc;\n",
"clear;\n",
"close;\n",
"B=(2.5*10^-3);//in Tesla\n",
"a=(20*10^-4);//in sq. meter\n",
"flux=B*a;\n",
"printf('Flux = %e webers',flux);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.25: Calculate_the_relative_permitivity_of_steel_at_different_given_flux_density.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.25\n",
"clc;\n",
"clear;\n",
"close;\n",
"B1=0.6;//in Tesla\n",
"u1=B1/800;\n",
"u_r1=u1/(4*%pi*10^-7);\n",
"printf('reltive permitivity at 0.6T = %f',u_r1);\n",
"B2=1.6;//in Tesla\n",
"u2=0.2/4000;\n",
"u_r2=u2 /(4*%pi*10^-7);\n",
"printf('\n reltive permitivity at 1.6T = %f',u_r2);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.26: Calculate_the_current_to_establish_given_flux.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Ex:1.26\n",
"clc;\n",
"clear;\n",
"close;\n",
"flux=0.8*10^-3;\n",
"a=(500*10^-6);//in sq. meter\n",
"l=0.6;//in meter\n",
"N=800;\n",
"B=flux/a;\n",
"printf('Flux Density = %e Tesla',B);\n",
"H=3500;//in A/m\n",
"i=(H*l)/N;\n",
"printf('\n Current required = %f amp.s',i);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.4: Express_angle_of_215_degree_in_radians.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.4\n",
"clc;\n",
"clear;\n",
"close;\n",
"ang_d=215;//given\n",
"ang_r=ang_d*%pi/180;\n",
"printf('%f degree angle is %f radians',ang_d,ang_r);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.5: Express_angle_in_degrees.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.5\n",
"clc;\n",
"clear;\n",
"close;\n",
"ang_r=2.5;//given\n",
"ang_d=2.5*180/%pi;//angle in degrees\n",
"printf('%f radians angle is %f degrees',ang_r,ang_d);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.6: Calculate_the_current_in_milliamp.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.6\n",
"clc;\n",
"clear;\n",
"close;\n",
"i_amp=0.075;//given\n",
"i_milamp=i_amp*1000;//current in milliamp.\n",
"printf('%f amp current is %f mA',i_amp,i_milamp);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.7: Express_the_freq_in_Mhz_of_1495_kHz_radio_transmitter.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.7\n",
"clc;\n",
"clear;\n",
"close;\n",
"fq_khz=1495;//given\n",
"fq_Mhz=fq_khz/1000;\n",
"printf('%f kHz frequency is %f MHz',fq_khz,fq_Mhz);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.8: Express_the_capacitance_in_microfarad_of_27000_pF.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.8\n",
"clc;\n",
"clear;\n",
"close;\n",
"c_pF=27000;//given\n",
"c_uF=c_pF/1000;\n",
"printf('%f picofarad capacitance is %f microfarad',c_pF,c_uF);"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.9: Express_current_in_amp.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//Exa:1.9\n",
"clc;\n",
"clear;\n",
"close;\n",
"c_mA=7.25;//given\n",
"c_A=c_mA*1000;\n",
"printf('%f milliampere current is %f ampere',c_mA,c_A);"
   ]
   }
],
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		   "file_extension": ".sce",
		   "help_links": [
			{
			 "text": "MetaKernel Magics",
			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
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