A Certain Fuse "Blows" If the Current in It Exceeds

question 23

Multiple Choice

A certain fuse "blows" if the current in it exceeds 1.0 A, at which instant the fuse melts with a current density of 620 A/cm². What is the diameter of the wire in the fuse?

• A) 0.45 mm
• B) 0.63 mm
• C) 0.68 mm
• D) 0.91 mm

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Definitions:

Acetaldehyde

A volatile, flammable, and colorless liquid compound that is an intermediate in the production of acid and alcohol metabolism.

Endergonic

Describes a reaction that requires a net input of free energy.

Protein Synthesis

The process by which cells build proteins based on the genetic information carried in DNA and transported by RNA.

Digestion

Breakdown of food into its chemical components.