Can someone help me solve this ?

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#1 21673059 27 Dec 2014 02:18

Sindhu M Sindhu M

Anonymous

Post #1
21673059 27 Dec 2014 02:18

Hi,

I am trying to solve this question given in an entrance exam. Can someone please help me with this ?

A lead wire and an aluminium wire are connected in parallel. The currents flowing in them have a ratio of 39:40. The lead wire has a length 65% more than aluminium. Ratio of their specific resistivities is 98:13. Find the ratio of their cross-sectional area ?
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#2 21673060 29 Dec 2014 20:07

Emmanuel Galleto Emmanuel Galleto

Anonymous

Post #2
21673060 29 Dec 2014 20:07

Hi Sindhu,

Your question is found in number 3 of this Tutorial Problems (Answer is provided). Maybe you could see the other examples and do it by yourself so that you could learn more.

Hope it helps,
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#3 21673061 29 Dec 2014 22:45

Sindhu M Sindhu M

Anonymous

Post #3
21673061 29 Dec 2014 22:45

Yes, I came across this problem in the same book. It has the answer given but I wanted to know the steps to the solution.
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#4 21673062 10 Jan 2015 03:26

Gary Cole Gary Cole

Anonymous

Post #4
21673062 10 Jan 2015 03:26

Have you find the steps? I am interested as well
#5 21673063 12 Jan 2015 04:23

Sindhu M Sindhu M

Anonymous

Post #5
21673063 12 Jan 2015 04:23

No, I have not yet.
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