3. Find the ratio of the diameter of aluminium (pA=2.7x10-8O:m) to copper (PC=1.7x10-³2•m) wire, if they have the same resistance and the same length. Al'

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Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 27PE: Find the ratio of the diameter of aluminum to copper wire, if they have the same resistance per unit...
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3. Find the ratio of the diameter of aluminium (pA-2.7x10-$Q•m)
to copper (PC=1.7x10-³2•m) wire, if they have the same resistance
and the same length.
Transcribed Image Text:3. Find the ratio of the diameter of aluminium (pA-2.7x10-$Q•m) to copper (PC=1.7x10-³2•m) wire, if they have the same resistance and the same length.
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