initial commit / add all books

19 files changed, 167 insertions, 0 deletions

diff --git a/1529/CH2/EX2.1/2_01.sce b/1529/CH2/EX2.1/2_01.sce
new file mode 100755
index 000000000..010fc1930
--- /dev/null
+++ b/1529/CH2/EX2.1/2_01.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 1

+clc;

+Q=0.24;                         //Charge in coulombs

+T=15*10^-3;                         //Time converted in seconds

+I=Q/T;                          //Calculating current 

+printf("Current flows = %f A",I);

diff --git a/1529/CH2/EX2.10/2_10.sce b/1529/CH2/EX2.10/2_10.sce
new file mode 100755
index 000000000..a1eae7656
--- /dev/null
+++ b/1529/CH2/EX2.10/2_10.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 10

+clc;

+I=4e-3;                 //current in ampere

+R=5e3;                  //resistance

+P=I^2*R;                //calculating power

+printf("Power = %f W",P);

diff --git a/1529/CH2/EX2.11/2_11.sce b/1529/CH2/EX2.11/2_11.sce
new file mode 100755
index 000000000..ad3295782
--- /dev/null
+++ b/1529/CH2/EX2.11/2_11.sce
@@ -0,0 +1,8 @@
+//Chapter 2, Problem 11

+clc;

+V=240;              //voltage

+R=30;               //resistance

+I=V/R;              //calculating current using Ohms law

+P=I*V;              //calculating power

+printf("Current = %d A\n\n\n",I);

+printf("Power = %f kW",P/1000);

diff --git a/1529/CH2/EX2.12/2_12.sce b/1529/CH2/EX2.12/2_12.sce
new file mode 100755
index 000000000..408ba1081
--- /dev/null
+++ b/1529/CH2/EX2.12/2_12.sce
@@ -0,0 +1,8 @@
+//Chapter 2, Problem 12

+clc;

+I=5;                    //Current in ampere

+R=100;                  //Resistance in ohms

+V=I*R;                  //Calculating voltage using Ohms law

+P=V*I;                     //Calculating power in watt

+printf("Potential difference across winding = %d V\n\n\n",V);

+printf("Power dissipated by coil = %d W",P);

diff --git a/1529/CH2/EX2.13/2_13.sce b/1529/CH2/EX2.13/2_13.sce
new file mode 100755
index 000000000..5e1839376
--- /dev/null
+++ b/1529/CH2/EX2.13/2_13.sce
@@ -0,0 +1,7 @@
+//Chapter 2, Problem 13

+clc;

+V=240;              //voltage

+R=960;              //resistance

+I=V/R;              //calculating current using Ohms law

+P=V*I;              //calculating power

+printf("Power rating P = %d W",P);

diff --git a/1529/CH2/EX2.14/2_14.sce b/1529/CH2/EX2.14/2_14.sce
new file mode 100755
index 000000000..7fd0e066a
--- /dev/null
+++ b/1529/CH2/EX2.14/2_14.sce
@@ -0,0 +1,11 @@
+//Chapter 2, Problem 14

+clc;

+V=12;               //voltage

+R=40;               //resistance

+t=2*60;             //time period

+I=V/R;              //calculating current using Ohms law

+P=V*I;              //calculating power

+E=P*t;              //calculating energy 

+printf("Current flowing in load = %f A\n\n\n",I);

+printf("Power consumed = %f W\n\n\n",P);

+printf("Energy dissipated = %f J",E);

diff --git a/1529/CH2/EX2.15/2_15.sce b/1529/CH2/EX2.15/2_15.sce
new file mode 100755
index 000000000..176895b36
--- /dev/null
+++ b/1529/CH2/EX2.15/2_15.sce
@@ -0,0 +1,7 @@
+//Chapter 2, Problem 15

+clc;

+V=15;               //e.m.f

+I=2;                //current

+t=6*60;             //time period

+E=V*t*I;            //calculating energy

+printf("Energy = %f kJ",E/1000);

diff --git a/1529/CH2/EX2.16/2_16.sce b/1529/CH2/EX2.16/2_16.sce
new file mode 100755
index 000000000..afb58c98f
--- /dev/null
+++ b/1529/CH2/EX2.16/2_16.sce
@@ -0,0 +1,9 @@
+//Chapter 2, Problem 16

+clc;

+V=240;              //supply voltage

+I=13;               //current

+t=30;               //time in hours

+P=V*I;              //power

+E=P*t;              //energy

+printf("Energy used per week = %.1f kWh\n\n",E/1000);

+printf("hence weekly cost of electricity = %.2f £ euro",(E*12.5/1000)/100);

diff --git a/1529/CH2/EX2.18/2_18.sce b/1529/CH2/EX2.18/2_18.sce
new file mode 100755
index 000000000..b6b8a2561
--- /dev/null
+++ b/1529/CH2/EX2.18/2_18.sce
@@ -0,0 +1,14 @@
+//Chapter 2, Problem 18

+clc;

+I=10;               //Curent in ampere

+R=20;               //Resistance in ohm

+T=6;                //Time in hours

+unit=13;                //Unit of cost of electricity

+P=I^2*R;                //Calculating power dissipated by electric fire

+E=P*T;                  //Calculating Energy used

+cost=E*unit;                //Calculating cost of energy

+cost=cost/100000;

+

+printf("Power dissipated by element = %f kW\n\n\n",P/1000);

+printf("Energy used in 6 hours = %f kWh\n\n\n",E/1000);

+printf("Cost of energy = £ %fp",cost);

diff --git a/1529/CH2/EX2.19/2_19.sce b/1529/CH2/EX2.19/2_19.sce
new file mode 100755
index 000000000..50c5bbb85
--- /dev/null
+++ b/1529/CH2/EX2.19/2_19.sce
@@ -0,0 +1,18 @@
+//Chapter 2, Problem 19

+clc;

+P1=3000;                //power in watts

+P2=150;                 //power in watts

+t1=20;                  //time in hours

+t2=30;                  //time in hours

+n1=2;                   //no of fires

+n2=6;                   //no of light

+m=14;                   //cost per unit

+E1=P1*t1;

+w1=n1*E1;

+E2=P2*t2;

+w2=n2*E2;

+T=w1+w2;

+c=m*(T/1000);

+printf("\nIf the cost of electricity is 14 p per unit\n")

+printf("\n the weekly cost of electricity to the business = %f p",c);

+printf("\n\t\t\t\t\t\t= %.2f euro",c/100);

diff --git a/1529/CH2/EX2.2/2_02.sce b/1529/CH2/EX2.2/2_02.sce
new file mode 100755
index 000000000..fa67fba88
--- /dev/null
+++ b/1529/CH2/EX2.2/2_02.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 2

+clc;

+I=10;                           //Current flows

+T=4*60;                     //Time converted in seconds

+Q=I*T;                              //Calculating charge

+printf("Electricity transfered = %f C",Q);   //Displaying the result in coulombs

diff --git a/1529/CH2/EX2.20/2_20.sce b/1529/CH2/EX2.20/2_20.sce
new file mode 100755
index 000000000..b2d6addcd
--- /dev/null
+++ b/1529/CH2/EX2.20/2_20.sce
@@ -0,0 +1,13 @@
+//Chapter 2, Problem 20,

+clc;

+V=240;                            //Supply voltage

+P1=1000;                            //Power rating of Electric toaster 

+P2=3000;                            //Power rating of Electric fire

+//Calculating fuse current for electric toaster

+I1=P1/V;

+//Calculating fuse current for electric fire

+I2=P2/V;

+I1=I1+1;

+I2=I2+1;

+printf("(i) Current in fuse for Electric toaster = %d A\n\n\n",I1);

+printf("(ii) Current in fuse for Electric fire = %d A\n\n\n",I2);

diff --git a/1529/CH2/EX2.3/2_03.sce b/1529/CH2/EX2.3/2_03.sce
new file mode 100755
index 000000000..969a3c513
--- /dev/null
+++ b/1529/CH2/EX2.3/2_03.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 3

+clc;

+V=20;               //Potential difference 

+I=0.8;              //Current in ampere

+R=V/I;              //Calculating resistance using Ohm's law

+printf("Resistance = %d ohms",R);

diff --git a/1529/CH2/EX2.4/2_04.sce b/1529/CH2/EX2.4/2_04.sce
new file mode 100755
index 000000000..720e4e9fd
--- /dev/null
+++ b/1529/CH2/EX2.4/2_04.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 4

+clc;

+R=2*10^3;                   //Resistance in ohms

+I=10*10^-3;                 //Current in ampere

+V=R*I;                          //Calculating voltage

+printf("Potential difference = %d V",V);

diff --git a/1529/CH2/EX2.5/2_05.sce b/1529/CH2/EX2.5/2_05.sce
new file mode 100755
index 000000000..05b97e545
--- /dev/null
+++ b/1529/CH2/EX2.5/2_05.sce
@@ -0,0 +1,6 @@
+//Chapter 2, Problem 5

+clc;

+V=12;                   //voltage

+I=50*10^-3;             //current

+R=V/I;                  //calculating resistance using Ohms law

+printf("Resistance of coil = %d ohms",R);

diff --git a/1529/CH2/EX2.6/2_06.sce b/1529/CH2/EX2.6/2_06.sce
new file mode 100755
index 000000000..f54bd79a7
--- /dev/null
+++ b/1529/CH2/EX2.6/2_06.sce
@@ -0,0 +1,9 @@
+//Chapter 2, Problem 6

+clc;

+V1=100;                 //Battery voltage

+I1=5*10^-3;                 //Current of 5mA;

+V2=25;                      //Voltage is now reduced to 25V

+R=V1/I1;                    //Calculating resistance due to V1 using Ohms law

+I2=V2/R;                    //Calculating current due to V2 using Ohms law

+printf("Resistance of resistor = %d k.ohms\n\n\n",R/1000);

+printf("Current when voltage is reduced to 25V = %f mA",I2*1000);

diff --git a/1529/CH2/EX2.7/2_07.sce b/1529/CH2/EX2.7/2_07.sce
new file mode 100755
index 000000000..271db0ceb
--- /dev/null
+++ b/1529/CH2/EX2.7/2_07.sce
@@ -0,0 +1,9 @@
+//Chapter 2, Problem 7

+clc;

+V=120;                  //Supply voltage

+I1=50*10^-3;                    //Current of 50mA

+I2=200*10^-6;                   //Current of 200uA

+R1=V/I1;                            //Calculating resistance due to I1 using Ohms law

+R2=V/I2;                            //Calculating resistance due to I1 using Ohms law

+printf("Resistance of coil draws 50mA current = %f ohms\n\n\n",R1);

+printf("Resistance of coil draws 100uA current = %f ohms\n\n\n",R2);

diff --git a/1529/CH2/EX2.8/2_08.sce b/1529/CH2/EX2.8/2_08.sce
new file mode 100755
index 000000000..ae5289479
--- /dev/null
+++ b/1529/CH2/EX2.8/2_08.sce
@@ -0,0 +1,10 @@
+//Chapter 2, Problem 8, Figure 2.8

+clc;

+V1=20;                      //Voltage of resistor A

+I1=20*10^-3;                //Current of resistor A

+V2=16;                      //Voltage of resistor B

+I2=5*10^-3;                 //Current of resistor B

+R1=V1/I1;                   //Calculating resistance of resistor A using Ohms law

+R2=V2/I2;                   //Calculating resistance of resistor B using Ohms law

+printf("Resistance of resistor A = %d k.ohms\n\n\n",R1/1000);

+printf("Resistance of resistor B = %f k.ohms\n\n\n",R2/1000);

diff --git a/1529/CH2/EX2.9/2_09.sce b/1529/CH2/EX2.9/2_09.sce
new file mode 100755
index 000000000..b83b012c8
--- /dev/null
+++ b/1529/CH2/EX2.9/2_09.sce
@@ -0,0 +1,8 @@
+//Chapter 2, Problem 9

+clc;

+P=100;              //power in watt

+V=250;              //voltage

+I=P/V;              //calculating current

+R=V/I;              //calculating resistance using Ohms law

+printf("(a) Current = %f A\n\n\n",I);

+printf("(b) Resistance = %d ohms",R);