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Posts: 3560
13 years ago
The length of a certain wire is doubled and at the same time its radius is also doubled. What is the change in the resistance of this wire?
A) It stays the same.
B) It is doubled.
C) It is quadrupled.
D) It is reduced by a factor of 2.
E) It is reduced by a factor of 4.
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Educator
13 years ago
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