Le 24/10/2011 15:23, Arun Kumar nous fit lire :
> Thanks for the clarification.> > But in this case 'd' is small when compared to R1 and R2, so can I use this> formula> > 1/f = (n-1) {1/R1 - 1/R2} ???>
No, because 1/R1 = 1/R2 in your case... hence 0 if you truncate the
formula, and d/nR1R2 become the important part.
