Physics, 29.07.2019 20:10, esmemaluma00

Arectangular block of metal of resistivity rho has dimensions d x 2d x 3d . a potential difference v is to be applied between two opposite faces of the block.
(a) to which two faces of the block should the potential difference be applied to give the maximum current density?
-to the faces that are a distance "d" apart [answered]
(b) what is the maximum current density j(subscript max) from part a? express your answer in terms of some or all of the variables v, rho(the resistivity of the material), and d.
(c) to which two faces of the block should the potential difference be applied to give the maximum current?
1.to the faces that area a distance d apart
2.to the faces that are a distance 2d apart
3.to the faces that are a distance 3d apart

Answers: 3

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Arectangular block of metal of resistivity rho has dimensions d x 2d x 3d . a potential difference v...