Multiple Choice
The length of a certain wire is kept same while its radius is doubled.What is the new resistivity of this wire?
A) It is increased by a factor of 2.
B) It is increased by a factor of 4.
C) It is reduced by a factor of 2.
D) It is reduced by a factor of 4.
E) It does not change.
Correct Answer:
Verified
Correct Answer:
Verified
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