Shown is a schematic of a two-fluid manometer. What is ???????? ???????? in terms of , ????, ????1 , and ????2? If we want maximal

Shown is a schematic of a two-fluid manometer. What is ???????? −???????? in terms of ℎ, ????, ????1 , and ????2? If we want maximal sensitivity—that is, Δℎ/(???????? −???????? ) as large as possible—what relation of ????1 − ????2 should we choose?

 

A B fluid 1 P1 Ah fluid 2 P2