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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1538/CH18/EX18.5 | |
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initial commit / add all books
Diffstat (limited to '1538/CH18/EX18.5')
| -rwxr-xr-x | 1538/CH18/EX18.5/Ex18_5.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1538/CH18/EX18.5/Ex18_5.sce b/1538/CH18/EX18.5/Ex18_5.sce new file mode 100755 index 000000000..921407a58 --- /dev/null +++ b/1538/CH18/EX18.5/Ex18_5.sce @@ -0,0 +1,19 @@ +//example-18.5
+//page no-548
+//given
+//resistance of wire at 70 degree celcius is 57.2 ohm and at 25 degrees celcius 50 ohm
+R25=50 //ohm
+R70=57.2 //ohm
+T1=25 //degree C
+T2=70 //degree C\
+//as we know that
+//Rt=R0*(1+t*alpha)
+//putting above values in the above given equation we get
+//R25=R0*(1+25*alpha) -------(1)
+//R70=R0*(1+70*alpha) --------(2)
+//applying R70/R25
+//we get
+//R70/R25=(1+70*alpha)/(1+25*alpha)
+//solving for alpha we get equation as follows
+alpha=(R70-R25)/(T2*R25-T1*R70) //K^-1
+printf ("the temperature coefficient of resistance is %f K^-1",alpha)
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