5 files changed, 45 insertions, 0 deletions
diff --git a/1376/CH12/EX12.1/12_1.sci b/1376/CH12/EX12.1/12_1.sci
new file mode 100755
index 000000000..ed47a6f06
--- /dev/null
+++ b/1376/CH12/EX12.1/12_1.sci
@@ -0,0 +1,7 @@
+//12.1
+clc;
+K=4;
+strain=1*10^-6;
+R=150;
+dR=K*strain*R*10^6;
+printf("Change in resistance=%.1f micro-ohm",dR)
diff --git a/1376/CH12/EX12.2/12_2.sci b/1376/CH12/EX12.2/12_2.sci
new file mode 100755
index 000000000..56415247b
--- /dev/null
+++ b/1376/CH12/EX12.2/12_2.sci
@@ -0,0 +1,10 @@
+//12.2
+clc;
+d=0.03;
+a=%pi*d^2/4;
+f=40000;
+l=0.5;
+E=3*10^10;
+dl=f*l/(E*a);
+printf("Change in length=%.6f m",dl)
+
diff --git a/1376/CH12/EX12.3/12_3.sci b/1376/CH12/EX12.3/12_3.sci
new file mode 100755
index 000000000..8057aa1a7
--- /dev/null
+++ b/1376/CH12/EX12.3/12_3.sci
@@ -0,0 +1,8 @@
+//12.3
+clc;
+d=10^-4;
+A=6*10^-3;
+permitivity_absolute=8.854*10^-12;
+permitivity_relative=1
+C=permitivity_absolute*permitivity_relative*A*10^12/d;
+printf("capacitance=%.2f pF",C)
+\ No newline at end of file
diff --git a/1376/CH12/EX12.4/12_4.sci b/1376/CH12/EX12.4/12_4.sci
new file mode 100755
index 000000000..c541d126b
--- /dev/null
+++ b/1376/CH12/EX12.4/12_4.sci
@@ -0,0 +1,10 @@
+//12.4
+clc;
+disp('1.5 cm core displacement produces 6V so')
+d_15=6;
+d_18=1.8*d_15/1.5
+printf("1.8 cm core displacement produces=%.2f V",d_18);
+d_08=(-0.8)*(-d_15)/(-1.5);
+printf("\n-0.8 cm core displacement produces=%.2f V",d_08);
+d_06=(-0.6)*(-d_15)/(-1.5);
+printf("\n-0.6 cm core displacement produces=%.2f V",d_06);
+\ No newline at end of file
diff --git a/1376/CH12/EX12.5/12_5.sci b/1376/CH12/EX12.5/12_5.sci
new file mode 100755
index 000000000..2595dbfa0
--- /dev/null
+++ b/1376/CH12/EX12.5/12_5.sci
@@ -0,0 +1,10 @@
+//12.5
+clc;
+k=4*10^3;
+dx=0.04;
+m=0.1;
+acc=k*dx/m;
+accg=acc/9.8;
+printf("acceleration=%.2f g",accg)
+fn=(1/2*%pi)*(k/m)^0.5;
+printf("\nNatural Frequency=%.2f Hz",fn)
+\ No newline at end of file