What is the length of a 16 AWG solid coated copper conductor having a resistance of 23.5 ohms?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Study for the Fire Alarm Lesson 5and6 Test. Prepare with flashcards and multiple choice questions; each question comes with hints and explanations. Gear up for success on your exam!

Multiple Choice

What is the length of a 16 AWG solid coated copper conductor having a resistance of 23.5 ohms?

Explanation:
The key idea is that a conductor’s resistance depends on its material, cross‑section, and length, and for a fixed gauge you can use the resistance per length to solve for how long a wire must be to reach a given resistance. For 16 AWG solid copper, the problem uses a resistance value of about 5.08 ohms per 1,000 feet. To find the length, use the proportion R = (R per 1,000 ft) × (L / 1,000). Rearranging gives L = (R_total / R per 1,000 ft) × 1,000. So L = (23.5 / 5.08) × 1,000 ≈ 4,626 feet. Hence the wire length is about 4,626 ft.

The key idea is that a conductor’s resistance depends on its material, cross‑section, and length, and for a fixed gauge you can use the resistance per length to solve for how long a wire must be to reach a given resistance. For 16 AWG solid copper, the problem uses a resistance value of about 5.08 ohms per 1,000 feet. To find the length, use the proportion R = (R per 1,000 ft) × (L / 1,000). Rearranging gives L = (R_total / R per 1,000 ft) × 1,000. So L = (23.5 / 5.08) × 1,000 ≈ 4,626 feet. Hence the wire length is about 4,626 ft.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy