Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and

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Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and twice the diameter of wire 1. What are the ratios

(a) ρ₂/ρ₁ of the resistivities

(b) R₂/R₁ of the resistances of the two wires?

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Physics for Scientists and Engineers A Strategic Approach with Modern Physics

ISBN: 978-0133942651

4th edition

Authors: Randall D. Knight

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Question Posted: Nov 02, 2018 11:13 AM

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Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and

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Physics for Scientists and Engineers A Strategic Approach with Modern Physics

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