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The length of a certain wire is kept same while its radius is doubled. What...

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The length of a certain wire is kept same while its radius is doubled. What is the newresistivity of this wire?E) It does not change.C) It is reduced by a factor of 2.B) It is increased by a factor of 4.D) It is reduced by a factor of 4.A) It is increased by a factor of 2.

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