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author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3845/CH20/EX20.7 | |
parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3845/CH20/EX20.7')
-rw-r--r-- | 3845/CH20/EX20.7/Ex20_7.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/3845/CH20/EX20.7/Ex20_7.sce b/3845/CH20/EX20.7/Ex20_7.sce new file mode 100644 index 000000000..51c01f0b2 --- /dev/null +++ b/3845/CH20/EX20.7/Ex20_7.sce @@ -0,0 +1,14 @@ +//Example 20.7
+//Also see Example 20.4 and Example 20.5
+I=2.50;//Current (A)
+V=12;//Voltage (V)
+P1=I*V;//Power dissipated by hot headlight (W)
+printf('a.Power dissipated by headlight when hot= %0.1f W',P1)
+R=0.350;//Cold resistance (ohm)
+P2=V^2/R;//Power dissipated by headlight when first switched on (W)
+printf('\n Power dissipated by headlight when cold= %0.1f W',P2)
+I_b=sqrt(P2/R);//Current drawn when cold (A)
+printf('\nb.Current drawn when cold = %0.1f A',I_b)
+//Answer varies due to round off error
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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