Question

Select the best answer for items 1 through 10 to make each statement true, and place the letter for the answer in the space provided. By mathematically squaring the number of mils in the diameter of a wire, the result is the___________________ a. CSA. d. mil-feet. b. length. e. conductance. c. resistance.

   Select the best answer for items 1 through 10 to make each statement true, and place the letter for the answer in the space provided.
By mathematically squaring the number of mils in the diameter of a wire, the result is the___________________
a. CSA.
d. mil-feet.
b. length.
e. conductance.
c. resistance.

Electricity 1: Devices, Circuits and Materials

Thomas Kubala 9th Edition

Chapter 8, Problem 6

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The question asks what the result is when you mathematically square the number of mils in the diameter of a wire. Show more…

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Select the best answer for items 1 through 10 to make each statement true, and place the letter for the answer in the space provided. By mathematically squaring the number of mils in the diameter of a wire, the result is the___________________ a. CSA. d. mil-feet. b. length. e. conductance. c. resistance.

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Key Concepts

Cross-Sectional Area (CSA)

Cross-sectional area refers to the area of a slice or cross-section of a wire taken perpendicular to its length. This measurement is essential in determining electrical and mechanical properties, such as current-carrying capacity and resistance. In many specifications, particularly in the United States, CSA is measured in circular mils when the wire diameter is given in mils.

Circular Mil

A circular mil is a unit of area used specifically to measure the cross-sectional area of a wire. It is defined as the area of a circle with a diameter of one mil. The calculation involves squaring the wire's diameter in mils to obtain its area in circular mils, which is a key property in determining a wire's ability to conduct electricity.

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