The Key Property That Determines Whether Fluid (Air or Water)

question 47

Multiple Choice

The key property that determines whether fluid (air or water) sinks or rises is ________.

• A) sound
• B) salinity
• C) temperature
• D) density
• E) chemical composition

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Definitions:

Wheatstone Bridge

An electrical circuit used to measure unknown electrical resistances by balancing two legs of a bridge circuit, one leg of which includes the unknown component.

Impedance

The total opposition (combining resistance and reactance) a circuit presents to alternating current.

Capacitance

The ability of a component or circuit to collect and store energy in the form of an electrical charge, measured in Farads.

Bridge Circuit

A circuit that consists of four sections connected in series to form a closed loop.