A straight, cylindrical wire lying along the x-axis has a length L and a diameter d. It is made of a material described by Ohm's law with a resistivity p. Assume potential V ismaintained at the left end of the wire at a = 0. Also, assume the potential is zero at x = L. In terms of L, d, V,p and physical constants, derive expressions for thecurrent density in the wire.Select one:O a.b. J= VpLJ= VdLO d. J= pLVJ =

Correct answer is option (e) J=V/ρL Given Resistivity(ρ) Potential at x=0, is V Potential at x=L,…

A straight, cylindrical wire lying along the x-axis has a length L and a diameter d. It is made of a material described by Ohm's law with a resistivity p. Assume potential V is maintained at the left end of the wire at z = 0. Also, assume the potential is zero at z = L. In terms of L, d, V,pand physical constants, derive expressions for the current density in the wire.

A straight, cylindrical wire lying along the x-axis has a length L and a diameter d. It is made of a material described by Ohm's law with a resistivity p. Assume potential V is maintained at the left end of the wire at z = 0. Also, assume the potential is zero at z = L. In terms of L, d, V,pand physical constants, derive expressions for the current density in the wire.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 64P

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