A 3.0 mm -diameter copper wire carries a 40 A current (uniform across its cross section). Part A Determine the magnetic field at the surface of the wire. Express your answer using two significant figures. ? B = T Submit Request Answer Part B Determine the magnetic field inside the wire, 0.50 mm below the surface. Express your answer using two significant figures. ? B = T
A 3.0 mm -diameter copper wire carries a 40 A current (uniform across its cross section). Part A Determine the magnetic field at the surface of the wire. Express your answer using two significant figures. ? B = T Submit Request Answer Part B Determine the magnetic field inside the wire, 0.50 mm below the surface. Express your answer using two significant figures. ? B = T
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Transcribed Image Text:A 3.0 mm -diameter copper wire carries a 40 A current (uniform across
its cross section).
Part A
Determine the magnetic field at the surface of the wire.
Express your answer using two significant figures.
?
B =
Submit
Request Answer
Part B
Determine the magnetic field inside the wire, 0.50 mm below the surface.
Express your answer using two significant figures.
?
B =
T
Submit
Request Answer
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