Recreational Vehicle (RV) Technician Practice Test

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How does the amperage capacity of a 10 gauge wire compare to that of a 16 gauge wire?

  1. Higher

  2. Lower

  3. The same

  4. Unstable

The correct answer is: Higher

The amperage capacity of a wire is primarily determined by its gauge, which indicates the wire's diameter. A 10 gauge wire is significantly thicker than a 16 gauge wire, allowing it to carry a greater amount of electrical current without overheating. In general, lower gauge numbers correspond to thicker wires, which have less resistance to electrical flow. Therefore, the thicker 10 gauge wire has a higher amperage rating compared to the thinner 16 gauge wire. This means that for applications requiring high current, using a 10 gauge wire would be more appropriate for preventing overheating and potential circuit failures. Thus, it is accurate to say that the amperage capacity of a 10 gauge wire is higher than that of a 16 gauge wire.

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