The Resistance R of a Wire (In Ohms) Is Related

question 54

Multiple Choice

The resistance R of a wire (in ohms) is related to its length L (in meters) and its diameter d (in meters) by the formula . Find a formula for d .

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Definitions:

Lateral Funiculus

A bundle of nerve fibers along the lateral side of the spinal cord, important in sensory and motor function.

Central Canal

A fluid-filled channel in the center of the spinal cord and the brain's ventricular system, carrying cerebrospinal fluid.

Anterior Horn

The front section of the spinal cord's grey matter, containing cell bodies of motor neurons.

Arbor Vitae

A term meaning "tree of life," referring to the cerebellar white matter's branched, tree-like appearance in the human brain, critical for coordinating movement.