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1 ASSIGNMENT 1 Textbook Assignment: Chapter 1, “Electrical Conductors,” pages 1-1 through 1-27. Chapter 2 “Wiring Techniques,” pages 2-1 through 2-23. _________________________________________________________________________________ 1-1.   Why has a "unit size" for conductors been established? 1.    To compare the size and resistance of one conductor with that of another 2.    To establish a uniform style for conductors 3.    To determine the requirements for conductors 4.    To ensure all conductors are interchangeable 1-2.   What is the decimal equivalent of one (1) mil? 1.    1.000 in. 2.    0.100 in. 3.    0.010 in. 4.    0.001 in. 1-3.   If a conductor has a diameter of 1/4 inch, what is its diameter in mils? 1. 250.0 mil 2.   25.0 mil 3.     2.50 mil 4.     0.250 mil 1-4.   What is the definition of a mil foot? 1. A conductor .001 foot in length with a diameter of .001 millimeter 2. A conductor 1 foot in length with a diameter of .001 foot 3. A conductor 1 foot in length with a diameter of 1 mil 4. A conductor .001 foot in length with a diameter of .001 inch 1-5.   A square mil is defined as the area of a square, the sides of which are each equal in length to what dimension? 1.    1 mil-foot 2.    1 mil 3.    1.0 inch 4.    .001 mil Figure 1A.—Rectangular Bar Conductor. IN ANSWERING QUESTION 1-6, REFER TO FIGURE 1A. 1-6.   What is the cross-section area of the illustrated rectangular bar conductor in square mils? 1.     937,500,000 sq. mil 2.         3,750,000 sq. mil 3.         1,250,000 sq. mil 4.            187,500 sq. mil 1-7.   A circular mil is defined as the area of a circle having what dimension? 1.     A radius of 1 mil 2.     A diameter of 1 mil 3.     A circumference of 1 mil 4.     A chord of 1 mil