From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2498/CH3/EX3.1/ex3_1.sce   | 16 ++++++++++++++++
 2498/CH3/EX3.10/ex3_10.sce | 31 +++++++++++++++++++++++++++++++
 2498/CH3/EX3.11/ex3_11.sce | 17 +++++++++++++++++
 2498/CH3/EX3.12/ex3_12.sce | 20 ++++++++++++++++++++
 2498/CH3/EX3.13/ex3_13.sce | 20 ++++++++++++++++++++
 2498/CH3/EX3.14/ex3_14.sce | 35 +++++++++++++++++++++++++++++++++++
 2498/CH3/EX3.15/ex3_15.sce | 13 +++++++++++++
 2498/CH3/EX3.16/ex3_16.sce | 17 +++++++++++++++++
 2498/CH3/EX3.17/ex3_17.sce | 21 +++++++++++++++++++++
 2498/CH3/EX3.18/ex3_18.sce | 19 +++++++++++++++++++
 2498/CH3/EX3.19/ex3_19.sce | 28 ++++++++++++++++++++++++++++
 2498/CH3/EX3.2/ex3_2.sce   | 13 +++++++++++++
 2498/CH3/EX3.3/ex3_3.sce   | 13 +++++++++++++
 2498/CH3/EX3.4/ex3_4.sce   | 14 ++++++++++++++
 2498/CH3/EX3.5/ex3_5.sce   | 24 ++++++++++++++++++++++++
 2498/CH3/EX3.6/ex3_6.sce   | 21 +++++++++++++++++++++
 2498/CH3/EX3.7/ex3_7.sce   | 16 ++++++++++++++++
 2498/CH3/EX3.8/ex3_8.sce   | 19 +++++++++++++++++++
 2498/CH3/EX3.9/ex3_9.sce   | 19 +++++++++++++++++++
 19 files changed, 376 insertions(+)
 create mode 100755 2498/CH3/EX3.1/ex3_1.sce
 create mode 100755 2498/CH3/EX3.10/ex3_10.sce
 create mode 100755 2498/CH3/EX3.11/ex3_11.sce
 create mode 100755 2498/CH3/EX3.12/ex3_12.sce
 create mode 100755 2498/CH3/EX3.13/ex3_13.sce
 create mode 100755 2498/CH3/EX3.14/ex3_14.sce
 create mode 100755 2498/CH3/EX3.15/ex3_15.sce
 create mode 100755 2498/CH3/EX3.16/ex3_16.sce
 create mode 100755 2498/CH3/EX3.17/ex3_17.sce
 create mode 100755 2498/CH3/EX3.18/ex3_18.sce
 create mode 100755 2498/CH3/EX3.19/ex3_19.sce
 create mode 100755 2498/CH3/EX3.2/ex3_2.sce
 create mode 100755 2498/CH3/EX3.3/ex3_3.sce
 create mode 100755 2498/CH3/EX3.4/ex3_4.sce
 create mode 100755 2498/CH3/EX3.5/ex3_5.sce
 create mode 100755 2498/CH3/EX3.6/ex3_6.sce
 create mode 100755 2498/CH3/EX3.7/ex3_7.sce
 create mode 100755 2498/CH3/EX3.8/ex3_8.sce
 create mode 100755 2498/CH3/EX3.9/ex3_9.sce

(limited to '2498/CH3')

diff --git a/2498/CH3/EX3.1/ex3_1.sce b/2498/CH3/EX3.1/ex3_1.sce
new file mode 100755
index 000000000..45e55262e
--- /dev/null
+++ b/2498/CH3/EX3.1/ex3_1.sce
@@ -0,0 +1,16 @@
+// Exa 3.1
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+I1 = 30;// in mA
+I2 = 20;// in mA
+delI_Z = I1-I2;// in mA
+delI_Z = delI_Z * 10^-3;// in A
+V1 = 5.75;// in V
+V2 = 5.6;// in V
+delV_Z = V1-V2;// in V
+// The resistance of the device 
+r_Z = delV_Z/delI_Z;// in ohm
+disp(r_Z,"The resistance of the device in ohm is");
diff --git a/2498/CH3/EX3.10/ex3_10.sce b/2498/CH3/EX3.10/ex3_10.sce
new file mode 100755
index 000000000..833808d99
--- /dev/null
+++ b/2498/CH3/EX3.10/ex3_10.sce
@@ -0,0 +1,31 @@
+// Exa 3.10
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R = 200;// in  ohm
+Vi = 20;// in V
+V_Z = 10;// in V
+R_L = 300;// in ohm
+P_Zmax = 400;// in mW
+// The value of V_L 
+V_L = (R_L/(R_L+R))*Vi;// in V
+disp(V_L,"The value of V_L in V is");
+V_L = V_Z;// in V
+// The value of I_L 
+I_L = V_L/R_L;// in A
+I_L = I_L * 10^3;// in mA
+disp(I_L,"The value of I_L in mA is");
+// The value of I_R 
+I_R = (Vi-V_Z)/R;// in A
+I_R = I_R * 10^3;// in mA
+disp(I_R,"The value of I_R in mA is");
+// The value of I_Z 
+I_Z = I_R-I_L;// in mA
+disp(I_Z,"The value of I_Z in mA is");
+// V_L >= V_Z and V_L= R_L*Vi/(R_L+R)
+// So, the minimum value of R_L 
+R_L= R*V_Z/(Vi-V_Z);// in ohm
+disp(R_L,"The minimum value of R_L in ohm is : ")
+
diff --git a/2498/CH3/EX3.11/ex3_11.sce b/2498/CH3/EX3.11/ex3_11.sce
new file mode 100755
index 000000000..62afc8c7c
--- /dev/null
+++ b/2498/CH3/EX3.11/ex3_11.sce
@@ -0,0 +1,17 @@
+// Exa 3.11
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+I_Z = 0.2;// in A
+R = 10;// in ohm
+V_Z = 8 + (R*I_Z);// in V
+I_Lmin = V_Z/R;// in A
+I_Zmax = 0.2;//in A
+Vimax = 15;// in V
+// The minimum value of R
+Rimin = (Vimax-V_Z)/(I_Zmax+I_Lmin);// in ohm
+disp(Rimin,"The minimum value of R in ohm is");
+
+// Note: The calculation in the book is not accurate, So the answer in the book is not accurate.
diff --git a/2498/CH3/EX3.12/ex3_12.sce b/2498/CH3/EX3.12/ex3_12.sce
new file mode 100755
index 000000000..f018b778e
--- /dev/null
+++ b/2498/CH3/EX3.12/ex3_12.sce
@@ -0,0 +1,20 @@
+// Exa 3.12
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R_L = 10;// in k ohm
+R_S = 5;// in k ohm
+V_S = 12;// in V
+V_Z = 8;// in V
+V_L = (R_L/(R_S+R_L))*V_S;// in V
+//The output voltage 
+Vo = V_L;// in V
+disp(Vo,"The output voltage in V is");
+// The voltage drop across R_S 
+R_S = V_S-Vo;// in V
+disp(R_S,"The voltage drop across R_S in V is");
+// The current through the zener diode 
+I_Z = 0;// in A
+disp(I_Z,"The current through the zener diode in A is");
diff --git a/2498/CH3/EX3.13/ex3_13.sce b/2498/CH3/EX3.13/ex3_13.sce
new file mode 100755
index 000000000..0f0e9deef
--- /dev/null
+++ b/2498/CH3/EX3.13/ex3_13.sce
@@ -0,0 +1,20 @@
+// Exa 3.13
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+R_S = 1;// in k ohm
+R_L = 1.2;// in k ohm
+V_Z = 10;// in V
+V_S = 16;// in V
+V_L = (R_L/(R_L+R_S))*V_S;// in V
+//The value of I_Z 
+I_Z = 0;// in A
+disp(I_Z,"The value of I_Z in A is");
+// The value of P_Z 
+P_Z = 0;
+disp(P_Z,"The value of P_Z is");
+//The value of Vo
+Vo = V_L;// in V
+disp(Vo,"The value of Vo in V is");
diff --git a/2498/CH3/EX3.14/ex3_14.sce b/2498/CH3/EX3.14/ex3_14.sce
new file mode 100755
index 000000000..c972824e8
--- /dev/null
+++ b/2498/CH3/EX3.14/ex3_14.sce
@@ -0,0 +1,35 @@
+// Exa 3.14
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R_L = 200;// in ohm
+Vin = 20;// in V
+V_Z = 10;// in V
+P_Zmaz = 400;// in mW
+R_S = 220;// in ohm
+//The value of V_L with 200 ohm 
+V_L =(R_L/(R_S+R_L))*Vin;// in V
+disp(V_L,"The value of V_L with 200 ohm in V is");
+// The value of I_Z with 200 ohm 
+I_Z = 0;// in A
+disp(I_Z,"The value of I_Z with 200 ohm in A is");
+// The value of I_L with 200 ohm 
+I_L = Vin/(R_S+R_L)*10^3;// in mA
+disp(I_L,"The value of I_L with 200 ohm in mA is");
+//The value of I_R with 200 ohm 
+I_R = I_L;// in mA
+disp(I_R,"The value of I_R with 200 ohm in mA is");
+R_L = 50;// in ohm
+V_L = (R_L/(R_S+R_L))*Vin;// in V
+//The value of I_L with 50 ohm 
+I_L = Vin/(R_S+R_L)*10^3;// in mA
+disp(I_L,"The value of I_L with 50 ohm in mA is");
+// The value of I_R with 50 ohm 
+I_R = I_L;// in mA
+disp(I_R,"The value of I_R with 50 ohm in mA is");
+// The value of I_Z with 50 ohm 
+I_Z = 0;// in A
+disp(I_Z,"The value of I_Z with 50 ohm in A is");
+disp(V_L,"The value of V_L with 50 ohm in V is");
diff --git a/2498/CH3/EX3.15/ex3_15.sce b/2498/CH3/EX3.15/ex3_15.sce
new file mode 100755
index 000000000..f7aef5651
--- /dev/null
+++ b/2498/CH3/EX3.15/ex3_15.sce
@@ -0,0 +1,13 @@
+// Exa 3.15
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+V_Z = 15;// in V
+Vin = 24;// in V
+R = 27;// in ohm
+I = (Vin-V_Z)/R;// in A
+// The minimum value of R_L 
+R_Lmin = V_Z/I;// in ohm
+disp(R_Lmin,"The minimum value of R_L in ohm is");
diff --git a/2498/CH3/EX3.16/ex3_16.sce b/2498/CH3/EX3.16/ex3_16.sce
new file mode 100755
index 000000000..9b228c27c
--- /dev/null
+++ b/2498/CH3/EX3.16/ex3_16.sce
@@ -0,0 +1,17 @@
+// Exa 3.16
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R = 50;// in ohm
+Vin = 10;// in V
+V_Z = 6;// in V
+I = (Vin-V_Z)/R;// in A
+I = I * 10^3;// in mA
+I_Zmin = 5;// in mA
+// I = I_Z+I_L;
+I_Rmax = I-I_Zmin;// in mA
+// The minimum value of R 
+R = V_Z/(I_Rmax*10^-3);// in ohm
+disp(R,"The minimum value of R in ohm is");
diff --git a/2498/CH3/EX3.17/ex3_17.sce b/2498/CH3/EX3.17/ex3_17.sce
new file mode 100755
index 000000000..c8790bc71
--- /dev/null
+++ b/2498/CH3/EX3.17/ex3_17.sce
@@ -0,0 +1,21 @@
+// Exa 3.17
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R = 150*10^3;// in ohm
+R_L = 75;// in k ohm
+R_L = R_L * 10^3;// in ohm
+V_Z = 15;// in V
+Vin = 50;// in V
+R_Z = 0;
+Rth = (R*R_L)/(R+R_L);// in ohm
+Vth = Vin * ( R_L/(R_L+R) );// in V
+I_Z = Vth/Rth;// in A
+// The power dissipation in the zener diode 
+P_Z = V_Z*I_Z;// in W
+P_Z= P_Z*10^3;//in mW
+disp(P_Z,"The power dissipation in the zener diode in mW is");
+
+// Note: The calculation in the last line is wrong as 15*0.333 = 5 mW not 0.5mW, So the answer in the book is wrong. 
diff --git a/2498/CH3/EX3.18/ex3_18.sce b/2498/CH3/EX3.18/ex3_18.sce
new file mode 100755
index 000000000..b290783c2
--- /dev/null
+++ b/2498/CH3/EX3.18/ex3_18.sce
@@ -0,0 +1,19 @@
+// Exa 3.18
+clc;
+clear;
+close;
+format('v',4)
+// Given data
+R = 222;// in ohm
+Vin = 20;// in V
+V_Z = 10;// in V
+P = 400;// in mW
+P= P*10^-3;// in W
+I_Zmax = P/V_Z;// in A
+//I = I_Z+I_L;
+I = (Vin-V_Z)/R;// in A
+I_Lmin = I - I_Zmax;// in mA
+// The value of R_L 
+R_L =V_Z/I_Lmin;// in ohm
+R_L= R_L*10^-3;// in k ohm
+disp(R_L,"The value of R_L in k ohm is");
diff --git a/2498/CH3/EX3.19/ex3_19.sce b/2498/CH3/EX3.19/ex3_19.sce
new file mode 100755
index 000000000..415e8d70f
--- /dev/null
+++ b/2498/CH3/EX3.19/ex3_19.sce
@@ -0,0 +1,28 @@
+// Exa 3.19
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R = 12;// in k ohm
+Vin = 6.3;// in V
+V_Z = 4.8;// in V
+I = (Vin-V_Z)/R*10^3;// in mA
+I_Z = 5;// in mA
+// Maximum value of load current,
+I_Lmax = I - I_Z;// in mA
+I_Z = 100;// in mA
+// Minimum value of load current,
+I_Lmin = I - I_Z;// in mA
+disp("The range of possible load current is : "+string(I_Lmin)+" mA <= I_L <= "+string(I_Lmax)+" mA")
+// Minimum value of load resistance,
+R_Lmin= I_Lmin*10^-3*V_Z;// in ohm
+// Maximum value of load resistance,
+R_Lmax= I_Lmax*10^-3*V_Z;// in ohm
+disp("The range of possible load resistance is : "+string(R_Lmin)+" ohm <= R_L <= "+string(R_Lmax)+" ohm")
+// The power rating required for load resistance 
+P_Zmax = I_Lmax*10^-3*V_Z;// in W
+P_Zmax= P_Zmax*10^3;// in mW
+disp(P_Zmax,"The power rating required for load resistance in mW is");
+
+// Note: The calculated value of P_Zmax is wrong as 120*10^-3*4.8= 576 mW not 5.76 mW
diff --git a/2498/CH3/EX3.2/ex3_2.sce b/2498/CH3/EX3.2/ex3_2.sce
new file mode 100755
index 000000000..0d5ec8e28
--- /dev/null
+++ b/2498/CH3/EX3.2/ex3_2.sce
@@ -0,0 +1,13 @@
+// Exa 3.2
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+V_Z = 4.7;// in V
+r_Z = 15;// in ohm
+I_Z = 20;// in mA
+I_Z = I_Z * 10^-3;// in A
+// The terminal voltage 
+VdasZ = V_Z + (I_Z*r_Z);// in V
+disp(VdasZ,"The terminal voltage in V is");
diff --git a/2498/CH3/EX3.3/ex3_3.sce b/2498/CH3/EX3.3/ex3_3.sce
new file mode 100755
index 000000000..53cdaaf9c
--- /dev/null
+++ b/2498/CH3/EX3.3/ex3_3.sce
@@ -0,0 +1,13 @@
+// Exa 3.3
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+P_ZM = 500;// in mW
+P_ZM = P_ZM * 10^-3;// in W
+V_Z = 6.8;// in V
+// The value of I_ZM 
+I_ZM = P_ZM/V_Z;// in A
+I_ZM = I_ZM * 10^3;// in mA
+disp(I_ZM,"The value of I_ZM in mA is");
diff --git a/2498/CH3/EX3.4/ex3_4.sce b/2498/CH3/EX3.4/ex3_4.sce
new file mode 100755
index 000000000..1b59f80a9
--- /dev/null
+++ b/2498/CH3/EX3.4/ex3_4.sce
@@ -0,0 +1,14 @@
+// Exa 3.4
+clc;
+clear;
+close;
+format('v',8)
+// Given data
+P_ZM = 1500;// in mW
+Deratingfactor = 3.33;// in mW
+T1 = 85;// in degree C
+T2 = 60;// in degree C
+total = Deratingfactor*(T1-T2);// total derating factor in mW
+// The maximum power dissipation 
+P_ZM = P_ZM - total;// in mW
+disp(P_ZM,"The maximum power dissipation in mW is");
diff --git a/2498/CH3/EX3.5/ex3_5.sce b/2498/CH3/EX3.5/ex3_5.sce
new file mode 100755
index 000000000..81c094609
--- /dev/null
+++ b/2498/CH3/EX3.5/ex3_5.sce
@@ -0,0 +1,24 @@
+// Exa 3.5
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+R_L = 1.2;// in k ohm
+R_L = R_L * 10^3;// in ohm
+Vi = 16;// in V
+R = 1;// in k ohm
+R = R * 10^3;// in ohm
+// The value of V_L 
+V_L = (R_L*Vi)/(R+R_L);// in V
+disp(V_L,"The value of V_L in V is");
+V_Z = 10;// in V
+// The value of V_R 
+V_R = Vi-V_L;// in V
+disp(V_R,"The value of V_R in V is");
+// The value of I_Z 
+I_Z = 0;// in A
+disp(I_Z,"The value of I_Z in A is");
+// The value of P_Z 
+P_Z =V_Z*I_Z;// in W
+disp(P_Z,"The value of P_Z in W is");
diff --git a/2498/CH3/EX3.6/ex3_6.sce b/2498/CH3/EX3.6/ex3_6.sce
new file mode 100755
index 000000000..70de05b57
--- /dev/null
+++ b/2498/CH3/EX3.6/ex3_6.sce
@@ -0,0 +1,21 @@
+// Exa 3.6
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R_L = 1.2;// in k ohm
+R_L = R_L * 10^3;// in ohm
+R = 220;// in ohm
+V_Z = 20;// in V
+// The minimum value of Vi 
+Vimin = ((R_L+R)/R_L)*V_Z;// in V
+disp(Vimin,"The minimum value of Vi in V is");
+I_L = V_Z/R_L;// in A
+I_ZM = 60;// in mA
+I_ZM = I_ZM * 10^-3;// in A
+// I_ZM = I_R-I_L;
+I_Rmax = I_ZM + I_L;
+// The maximum value of Vi 
+Vimax = (I_Rmax*R)+V_Z;// in V
+disp(Vimax,"The maximum value of Vi in V is");
diff --git a/2498/CH3/EX3.7/ex3_7.sce b/2498/CH3/EX3.7/ex3_7.sce
new file mode 100755
index 000000000..806ce5375
--- /dev/null
+++ b/2498/CH3/EX3.7/ex3_7.sce
@@ -0,0 +1,16 @@
+// Exa 3.7
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+R_L = 1;// in k ohm
+R_L = R_L * 10^3;// in ohm
+R = 270;// in ohm 
+V = 18;// in V
+V_Z= 10;// in V
+V_L = (R_L/(R_L+R))*V;// in V
+if V_L > V_Z then
+    disp("As the value of V_L ("+string(V_L)+" V) is greater than the value of V_Z ("+string(V_Z)+" V), So")
+disp("The zener diode is operating in the breakdown region.");
+end
diff --git a/2498/CH3/EX3.8/ex3_8.sce b/2498/CH3/EX3.8/ex3_8.sce
new file mode 100755
index 000000000..0bcad0682
--- /dev/null
+++ b/2498/CH3/EX3.8/ex3_8.sce
@@ -0,0 +1,19 @@
+// Exa 3.8
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+V1 = 18;// in V
+V2 = 10;// in V
+R = 250;// in ohm
+I_R = (V1-V2)/R;// in A
+I_R = I_R * 10^3;// in mA
+R_L = 1;// in k ohm
+R_L = R_L * 10^3;// in ohm
+I_L = V2/R_L;// in A
+I_L =I_L * 10^3;// in mA
+// I_R = I_L+I_Z;
+// So, the value of zener current 
+I_Z = I_R - I_L;// in mA
+disp(I_Z,"The value of zener current in mA is");
diff --git a/2498/CH3/EX3.9/ex3_9.sce b/2498/CH3/EX3.9/ex3_9.sce
new file mode 100755
index 000000000..fb84b70db
--- /dev/null
+++ b/2498/CH3/EX3.9/ex3_9.sce
@@ -0,0 +1,19 @@
+// Exa 3.9
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+R = 10;// in k ohm
+R = R * 10^3;// in ohm
+Vi = 20;// in V
+V_Z = 10;// in V
+I_L = 1;// in mA
+I_L = I_L * 10^-3;// in A
+R_L = 10;// in k ohm
+R_L = R_L * 10^3;// in ohm
+V_L = (R_L/(R_L+R))*Vi;// in V
+// The current flowing through the resistance 
+I = (Vi-V_Z)/R;// in A
+I= I*10^3;// in mA
+disp(I,"The current flowing through the resistance in mA is");
-- 
cgit