When a Thin Copper Wire That Is 178 M Long

question 123

Short Answer

When a thin copper wire that is 178 m long is connected between a 1.2-V potential difference, a current of 2.0 amps flows through the wire. What is the diameter of this wire? The resistivity of copper is 1.72 × 10^-8 Ω ∙ m.

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Definitions:

Dressing Changes

The process of removing old wound coverings and applying new, clean bandages or materials to promote healing.

Rate of Healing

The speed at which a wound or injury recovers, which can vary depending on factors like age, health status, and environmental conditions.

Dry Yellow Slough

A term describing a type of wound exudate that is yellowish in color and indicates the presence of dead tissue or fibrous matter in the wound.

Hydrocolloid Dressing

A type of adhesive bandage made of gel-forming agents that provide a moist environment to promote wound healing and protect from infection.