Question:
Q 13 A long straight conductor having a circular cross
Last updated: 6/18/2023
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Q 13 A long straight conductor having a circular cross section of radius 2 m carries a current its length such its magnetic field varies as B Kr 0 r 2m where K is a positi constant The slope of the current density j vs radial distance r at r m is aK find the value of a The Ho