Regulations require that shipboard cabling...

Question 1 / 2707066636eed28f7522a1c51d9ee

Question 1 of 2707066636eed28f7522a1c51d9ee

Regulations require that shipboard cabling use stranded copper conductors. Why is copper a superior conductor compared to aluminum?

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Question 1 of 27070

Regulations require that shipboard cabling use stranded copper conductors. Why is copper a superior conductor compared to aluminum?

🔍 Key Concepts

• Electrical resistance vs. conductivity and how they relate to heat and power loss in cables • Material properties of copper vs. aluminum (weight, strength, resistance to corrosion) • Why regulations care about low resistance and reliable current-carrying capacity in shipboard wiring

💭 Think About

• Ask yourself: For the same size wire, which metal lets electricity flow more easily (has lower resistance) and therefore wastes less energy as heat? • Think about which property is more important for ship safety: lighter weight metal or lower electrical resistance? • Look carefully at each choice: does it correctly state the relationship between copper and aluminum in terms of resistance/conductivity and weight?

✅ Before You Answer

• Confirm which metal actually has lower resistance / higher conductivity: copper or aluminum? • Verify which metal is heavier for the same volume: copper or aluminum? • Eliminate any options that claim facts you know are backwards about resistance or conductivity.

Question 1 of 27070

Regulations require that shipboard cabling use stranded copper conductors. Why is copper a superior conductor compared to aluminum?

Even though copper has more resistance than aluminum, copper is lighter in weight than aluminum.

Even though copper is more corrosive than aluminum, copper is lighter in weight than aluminum.

Even though copper is heavier in weight than aluminum, copper has less resistance than aluminum.

Even though copper is lower in conductivity than aluminum, copper has more resistance than aluminum.

Question 1 / 2707066636eed28f7522a1c51d9ee

Question 1 of 2707066636eed28f7522a1c51d9ee

Regulations require that shipboard cabling use stranded copper conductors. Why is copper a superior conductor compared to aluminum?

Back

Question 1 of 27070

Regulations require that shipboard cabling use stranded copper conductors. Why is copper a superior conductor compared to aluminum?