The diameter of a conductor six inches long...

Question 1 / 20uAdlzOp1Fzovn2X9bGKv

Question 1 of 20uAdlzOp1Fzovn2X9bGKv

The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

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Question 1 of 20

uAdlzOp1Fzovn2X9bGKv

The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

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🔍 Key Concepts

• Ohm’s Law for resistance of a conductor (R = ρL/A) • Relationship between diameter, radius, and cross‑sectional area of a wire • How changing area affects resistance when length and material stay the same

💭 Think About

• If the length and material of the conductor remain the same, which parts of the resistance formula can change? • How does the cross-sectional area change when the diameter is doubled? (Think of the area of a circle in terms of radius or diameter.) • Once you know the factor by which the area changes, by what factor must the resistance change, given the inverse relationship?

✅ Before You Answer

• Write and use the formula R = ρL/A and identify which terms are constant. • Compute the new area when the diameter is doubled and compare it to the original area. • Confirm that the final choice you pick correctly reflects both the numeric change in resistance and the inverse relationship with area.

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Question 1 of 20

The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

One-fourth the original value

One-half the original value

The resistance varies inversely with the cross-sectional area of the conductor

A & C

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Question 1 / 20uAdlzOp1Fzovn2X9bGKv

Question 1 of 20uAdlzOp1Fzovn2X9bGKv

The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

Back

Question 1 of 20

uAdlzOp1Fzovn2X9bGKv

The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

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?

Quick actions

— No credit card needed