Magnitude of the current density, Physics

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Magnitude of the current density

The figure represents a section of a circular conductor of nonuniform diameter carrying a current of 5.00 A. The radius of cross section A1 is 0.400 cm.

(a) What is the magnitude of the current density across A1?

(b) If the current density across A2 is one-fourth the value across A1, what is the radius of the conductor at A2?

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Physics: Magnitude of the current density

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Physics: Magnitude of the current density

Reference No:- TGS0122897

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