What physical principle underlies most fluidic circuitry?
a. Poiseuille's law
b. Bernoulli's principle
c. Law of continuity
d. Coanda effect
ANS: D
The primary principle underlying most fluidic circuitry is a phenomenon called wall attachment, or the Coanda effect. This effect is observed mainly when a fluid flows through a small orifice with properly contoured downstream surfaces.
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