Factors which influence the resistance of a...

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Question 1 of 20NL0FaiyDV4kk0Jt2gUiR

Factors which influence the resistance of a conductor:

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Question 1 of 20

NL0FaiyDV4kk0Jt2gUiR

Factors which influence the resistance of a conductor:

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🔍 Key Concepts

• Ohm’s Law and the basic formula for resistance of a wire or bar-shaped conductor • The relationship between length, cross‑sectional area, and resistivity in determining resistance • How temperature affects the resistance of most metallic conductors used on vessels

💭 Think About

• Recall the standard formula used in electricity for calculating the resistance of a uniform conductor. Which physical dimensions of the conductor appear in that formula? • Think about what happens to a long, thin wire versus a short, thick cable made of the same metal. How does each one conduct current? • When shipboard wiring heats up under load, what typically happens to its resistance—does it stay the same, increase, or decrease?

✅ Before You Answer

• Write down or recall the resistance formula that includes length and area: does each of these increase or decrease resistance? • Consider if temperature is assumed constant in basic formulas, and what is commonly taught about resistance of metals as temperature rises. • Before choosing, ask: is there more than one factor in the list that clearly affects resistance according to your basic electrical theory?

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Question 1 of 20

Factors which influence the resistance of a conductor:

Cross-sectional area

Length

Temperature

All of the above

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Question 1 / 20NL0FaiyDV4kk0Jt2gUiR

Question 1 of 20NL0FaiyDV4kk0Jt2gUiR

Factors which influence the resistance of a conductor:

Back

Question 1 of 20

NL0FaiyDV4kk0Jt2gUiR

Factors which influence the resistance of a conductor:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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