The Length of a Certain Wire Is Kept Same While

question 30

Multiple Choice

The length of a certain wire is kept same while its radius is doubled. What is the new resistance of this wire?

• A) It is reduced by a factor of 4.
• B) It is reduced by a factor of 2.
• C) It is increased by a factor of 4.
• D) It is reduced by a factor of 8.
• E) It is increased by a factor of 2.

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Definitions:

Opportunity Cost

The budgetary repercussion of passing on the subsequent top pick when decisions are taken.

Point A

A specific location or position in any defined space or context, often used in diagrams to represent particular points in economic models or graphs.

Point B

Often used in graphs or models to denote a specific location, point, or situation being analyzed or referenced.

Opportunity Cost

The cost of missing out on the next best alternative when making a decision.