If the Current Density in a Wire or Radius R

question 13

Multiple Choice

If the current density in a wire or radius R is given by J = kr,0 < r < R,what is the current in the wire?

• A) 2πkR³/3
• B) 3πkR³/2
• C) kR³/3
• D) kR²
• E) kR²/2

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Definitions:

Lubricate

To apply a substance to lessen friction between surfaces.

Air Conduction

The process by which sound waves travel through the air and into the ear canal, allowing for the perception of sound.

Conductive Hearing Loss

A type of hearing loss resulting from an obstruction or damage to the outer or middle ear, interfering with sound conduction to the inner ear.

Amplitude

In regards to sound, the magnitude or height of a wave signal, reflecting the volume or loudness.