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greysquirrel645Lv1

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What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire with diameter 3.78 mm?

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Related textbook solutions

Physics: Principles with Applications

7th Edition, 2013

ISBN: 9780321625922

Related questions

The resistivity of copper is 1.7 X 1O^-8 ohm m. What length of copper wire of diameter 0.1 mm will have a resistance of 34 ohms?

Suppose you wish to fabricate a uniform wire from 1.00 g of copper. If the wire is to have a resistance of R = 0.500 Ω and all the copper is to be used, what must be the (a) length and the (b) diameter of this wire?

raspberrycat631

A 18.0 -m length of wire consists of 9.0 m of copper followed by9.0 m of aluminum, both of diameter 1.3 mm. A voltage difference of95 mV is placed across the composite wire.

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B) What is the current through the wire?
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D) What is the voltage across the aluminum part?

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