Answered: Assume A₂ = 3A₁. (d) Specify the radius… | bartleby

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Assume A₂ = 3A₁.
(d) Specify the radius at A2.
mm
(e) Specify the current at A2.
A
(f) Specify the current density at A2.
A/m²

The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 4.40 A. The
radius of cross-section A₁ is r₁ = 0.420 cm.
A₁
A2
I
(a) What is the magnitude of the current density across A₁?
A/m²

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