How many inches is equivalent to 1 circular mil?

How many inches is equivalent to 1 circular mil?

• A. 1/100
• B. 1/500
• C. 1/1000
• D. 1/2000

Answer: (C)

A circular mil is a unit of area used primarily in the electrical industry to represent the cross-sectional area of a wire. One circular mil is defined as the area of a circle with a diameter of one mil (one-thousandth of an inch). To convert this, we can apply the formula for the area of a circle. The area \(A\) is given by \(A = \pi r^2\), where \(r\) is the radius. Since the diameter of a circular mil is 1 mil, the radius is 0.5 mils. Converting the radius to inches, we have: - Radius in inches: 0.5 mils = 0.5 × (1/1000) inches = 0.0005 inches Now calculating the area: 1. Convert the radius to inches. 2. Calculate the area using the formula: \(A = \pi (0.0005)^2 = \pi (0.00000025)\) Since we are interested in the units of area, we find it equivalent to: - 1 circular mil = 0.00000025 square inches. This can also be expressed as \((\frac{

A circular mil is a unit of area used primarily in the electrical industry to represent the cross-sectional area of a wire. One circular mil is defined as the area of a circle with a diameter of one mil (one-thousandth of an inch).

To convert this, we can apply the formula for the area of a circle. The area (A) is given by (A = \pi r^2), where (r) is the radius. Since the diameter of a circular mil is 1 mil, the radius is 0.5 mils. Converting the radius to inches, we have:

• Radius in inches: 0.5 mils = 0.5 × (1/1000) inches = 0.0005 inches

Now calculating the area:

1. Convert the radius to inches.

2. Calculate the area using the formula:

(A = \pi (0.0005)^2 = \pi (0.00000025))

Since we are interested in the units of area, we find it equivalent to:

• 1 circular mil = 0.00000025 square inches.

This can also be expressed as ((\frac{