A hollow copper wire with an inner diameter of 1.0 mm and an outer diameter of 2.3 mm carries a current of 8.0 A. Part A What is the current density in the wire? Express your answer with the appropriate units. • View Availlable Hint(s) HẢ ? J Value Units Suhmit

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A hollow copper wire with an inner diameter of
1.0 mm and an outer diameter of 2.3 mm carries
a current of 8.0 A.
Part A
What is the current density in the wire?
Express your answer with the appropriate units.
• View Available Hint(s)
HẢ
?
J
Value
Units
Submit
Transcribed Image Text:A hollow copper wire with an inner diameter of 1.0 mm and an outer diameter of 2.3 mm carries a current of 8.0 A. Part A What is the current density in the wire? Express your answer with the appropriate units. • View Available Hint(s) HẢ ? J Value Units Submit
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