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

question 11

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

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Definitions:

Torque

A measure of the force that can cause an object to rotate about an axis.

Centerline

The imaginary line that runs down the middle of a vehicle or component, marking its symmetrical axis.

Range Shift Cylinder

A hydraulic cylinder in transmission systems used to change the gear range, enabling different speed and power outputs.