Use the Diagram Below for the Next Problem

question 13

Multiple Choice

Use the diagram below for the next problem:
-Two copper wires have the same volume,but wire 2 is 20% longer than wire 1.The ratio of the resistances of the two wires R₂/R₁ is

• A)1.2
• B)0.83
• C)1.1
• D)0.91
• E)1.4

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Definitions:

Limit Dimensions

The specifications on a drawing that show the maximum and minimum size limits that a part can be manufactured to.

Upper

Refers to the top part or section of an object, opposite to the lower part.

Lower

In dimensional tolerancing, it can refer to the lower limit or boundary of a dimension or value.

Limits of Size

Refers to the maximum and minimum sizes that a part can be manufactured to and still meet specification requirements.