A Rectangular Duct Must Connect with a Circular Duct

question 2

Short Answer

A rectangular duct must connect with a circular duct. The rectangular duct measures 4 inches by 5 inches. The circular duct has a diameter of 4.6 inches. What is the difference in the area of the rectangular duct and the area of the circular duct in square inches? Round answer to the nearer thousandth.

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Definitions:

Impedance

The total resistance to the flow of alternating current (AC) in a circuit, comprising both resistive and reactive components, measured in ohms.

Inductive Reactance

The opposition that an inductor presents to alternating current, due to the inductor's inductance, measured in ohms.

Power (P)

The rate at which electrical energy is transferred by an electric circuit, usually measured in watts (W).

Parallel Circuit

An electrical circuit in which components are connected across common points or junctions, allowing multiple paths for the current.