A uniform surface current density of Js(r ? )=Jo(sin??) ? ? A/m [the r is a vect

Question

A uniform surface current density of Js(r ? )=Jo(sin??) ? ? A/m [the r is a vector and the phi is a unit vector for some reason the hat and error are not directly over the letter] (Jo is constant) is spread over a disk defined by 0???b ,0???2pi ,z=0

Note: Js is a vector, R is a vector also

a. What is the source position vector r' needed to locate the current so one can find the magnetic field intensity H at z=h

b. What is the differential surface element needed so one can find the magnetic field intensity H at z=h

c. What is the expression for Js x R needed so one can find the magnetic field intensity H at z=h

d. What is the expression for the magnetic field intensity H at z = h

Explanation / Answer

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