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RioNii RioNii
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Posts: 278
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2 years ago Edited: 2 years ago, bio_man


An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. Assuming a circular cross-section, what is the wire's diameter (in mm)? The resistivity of aluminum at 20.OOC is 2.82 x 10-8 Q m.
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wrote...
Educator
2 years ago

RioNii Author
wrote...
2 years ago
Sir the answer was wrong Frowning Face
wrote...
Educator
2 years ago
Yes, darn, I used the wrong resistivity number. Please try 0.578
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