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Physics, 09.11.2020 16:40 MorgannJ

Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and twice the diameter of wire 1. Required:
a. What is the ratio R2 / R1 of their resistances?
b. What is the ratio p2/p1 of the resistivities of the two wires?

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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...

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