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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /49/CH8/EX8.3/ex3.sce | |
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Diffstat (limited to '49/CH8/EX8.3/ex3.sce')
| -rwxr-xr-x | 49/CH8/EX8.3/ex3.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/49/CH8/EX8.3/ex3.sce b/49/CH8/EX8.3/ex3.sce new file mode 100755 index 000000000..cb090f788 --- /dev/null +++ b/49/CH8/EX8.3/ex3.sce @@ -0,0 +1,38 @@ +//CHAPTER 8 _ TEMPERATURE MEASUREMENT
+//Caption : ELECTRICAL- RESISTANCE SENSORS
+// Example 3 // Page 517
+s =0.2 //('enter the sensitivity =:')
+d=0.4*10^-3
+A=%pi*(d^2)/4;
+// R=pho *l/A
+R=100
+pho=0.8*10^-3;
+l=(R*A)/pho;
+
+printf('Length corresponding to resistance 100 ohm and diameter 0.4mm is %fd m\n',l)
+d=2*10^-3
+A=%pi*(d^2)/4;
+R=100
+pho=0.8*10^-3;
+l=(R*A)/pho;
+printf('Length corresponding to resistance 100 ohm and diameter 2mm is %1.2f m\n',l)
+// The above lengths of wire indicate that their diameters should be very small so reasonable lengths can be used in practical applications .
+// Let resistance at 50deg cent be R1 and at 100 deg cent be R2
+t=-50 //('Enter the temperture at which resistance has to be calculated = :')
+R1= R+s*(t-20);
+printf('Resistance at temperature %d is %f ohm \n',t,R1)
+t2=100 //('Enter the temperture at which resistance has to be calculated = :')
+R2= R+s*(t2-20);
+printf('Resistance at temperature %d is %f ohm\n ',t2,R2)
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