Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A1 is 1 square inch,and the area A2 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. 
-The pressure on A1 is 4 psi.
Definitions:
385.83 Ω
A specific value of electrical resistance, measured in ohms (Ω).
680 Ω
A unit of electrical resistance measuring 680 ohms.
Parallel Circuits
Circuits that contain more than one path for current flow.
Current Dividers
A circuit that is constructed to produce a specific amount of current flow through a branch.
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