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![[Post New]](/templates/default/images/icon_minipost_new.gif) 19 Apr 2008 01:40:13 IST
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Q. Three rods of same material AB,BC,CA of equal length and their area of cross-section in the ratio 1:2:4 respectively have been arranged in the form of an equilateral triangle.If A and C are maintained at diff. temperatures,the ratio of heat transferred thru AB,BC,CA in a given time is ...........
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24 Apr 2008 10:32:54 IST
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ans 1:1 :6 Their resistances are in the ratio : 4:2:1 Now simply apply Kirchoff's law
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24 Apr 2008 14:07:48 IST
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I think I had done this sum before , and if I remember correctly, I got 1:1:5 ...
dunno... but maybe u are right
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Will nip in at times to solve problems :)
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24 Apr 2008 20:21:28 IST
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The first one in series so l/k(1/A1=1/A2) then the combination in parallel..
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24 Apr 2008 21:57:07 IST
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From whom did you learn english? Because I've never heard of the word "Unhaelthy" :P
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Will nip in at times to solve problems :)
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25 Apr 2008 11:11:19 IST
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feynmann can u please explain how the ratio is 1:1:6
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