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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 /2345/CH15/EX15.31 | |
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initial commit / add all books
Diffstat (limited to '2345/CH15/EX15.31')
| -rwxr-xr-x | 2345/CH15/EX15.31/Ex15_31.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2345/CH15/EX15.31/Ex15_31.sce b/2345/CH15/EX15.31/Ex15_31.sce new file mode 100755 index 000000000..c96145cbb --- /dev/null +++ b/2345/CH15/EX15.31/Ex15_31.sce @@ -0,0 +1,17 @@ +//Finding resistance
+//Example 15.31(pg. 412)
+clc
+clear
+m=0.6//mass of water in kgm
+S=4200//specific heat of water
+T1=100//temperature in degreeC
+T2=10//temperature in degreeC
+t=5*60//time in sec
+V=230//Supply voltage in Volts
+H=m*S*(T1-T2)//Heat required to raise the temp of water from 0 to 100 degree. in J
+e=0.78//efficiency of kettle
+Ei=H/e//Energy input in Joules
+Ei1=Ei/(100*3600)//Energy input in kWh
+W=Ei/t//Rating of kettle in watts
+R=(V*V)/W//Resistance of heating element in ohms
+printf('Thus Resistance of heating element is %2.1f ohms',R)
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