An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the current density in kA/m2.
An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the current density in kA/m2.
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![An 18-gauge copper wire with a diameter of
3-mm carries a constant current of 1.2-A.
The charge concentration in the wire is 8.5
x 1028 per cubic meter. Determine the
current density in kA/m2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4afa962c-1a20-4f8b-a12a-17ef981134f3%2F82df70e8-7156-4c70-ba9e-ffb150f6b754%2Fqfclspk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An 18-gauge copper wire with a diameter of
3-mm carries a constant current of 1.2-A.
The charge concentration in the wire is 8.5
x 1028 per cubic meter. Determine the
current density in kA/m2.
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