2 files changed, 64 insertions, 0 deletions
diff --git a/620/CH12/EX12.4/example12_4.sce b/620/CH12/EX12.4/example12_4.sce
new file mode 100644
index 000000000..fd4addcb6
--- /dev/null
+++ b/620/CH12/EX12.4/example12_4.sce
@@ -0,0 +1,18 @@
+it=10;
+e=0.03*it;
+disp("Part a");
+disp("the possible error (in mA) is");disp(e);
+disp("Part b");
+i1=1;
+i2=5;
+i3=10;
+disp("for 1 mA indication the range of values if from "); disp(i1-e); disp("to");disp(i1+e);
+disp("for 5 mA indication the range of values if from "); disp(i2-e); disp("to");disp(i2+e);
+disp("for 10 mA indication the range of values if from "); disp(i3-e); disp("to");disp(i3+e);
+disp("Part c");
+p1=e*100/i1;
+p2=e*100/i2;
+p3=e*100/i3;
+disp("for 1 mA reading the error (in %) is"); disp(p1);
+disp("for 5 mA reading the error (in %) is"); disp(p2);
+disp("for 10 mA reading the error (in %) is"); disp(p3);
+\ No newline at end of file
diff --git a/620/CH12/EX12.4/example12_4.txt b/620/CH12/EX12.4/example12_4.txt
new file mode 100644
index 000000000..dfbaacdd2
--- /dev/null
+++ b/620/CH12/EX12.4/example12_4.txt
@@ -0,0 +1,46 @@
+ 
+ Part a   
+ 
+ the possible error (in mA) is   
+ 
+    0.3  
+ 
+ Part b   
+ 
+ for 1 mA indication the range of values if from    
+ 
+    0.7  
+ 
+ to   
+ 
+    1.3  
+ 
+ for 5 mA indication the range of values if from    
+ 
+    4.7  
+ 
+ to   
+ 
+    5.3  
+ 
+ for 10 mA indication the range of values if from    
+ 
+    9.7  
+ 
+ to   
+ 
+    10.3  
+ 
+ Part c   
+ 
+ for 1 mA reading the error (in %) is   
+ 
+    30.  
+ 
+ for 5 mA reading the error (in %) is   
+ 
+    6.  
+ 
+ for 10 mA reading the error (in %) is   
+ 
+    3. 
+\ No newline at end of file