The Length of a Certain Wire Is Doubled and at the Same

question 56

Multiple Choice

The length of a certain wire is doubled and at the same time its radius is also doubled.What is the new resistance of this wire?

• A)It stays the same.
• B)It is 2 times as large.
• C)It is 4 times as large.
• D)It is 1/2 as large.
• E)It is 1/4 as large.

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