1is d ans (n+1)^22n
If the potential difference decreases by a factor of n after every ladder then the ratio of R1/R2 is
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4 Answers
62The question is a classic one .. with recurrence.. Has been solved with a very little modification...
[url=http://targetiit.com/iit-jee-forum/posts/infinite-4412.html]Infinte resistance ladder[/url]
62see V = iR1+iR+iR1
where iR=V/n
so V=niR (which if we substitute back in the first equation, we get...)
so (n-1)R=2R1
now find R1 which should not be very difficult :)