An infinitely long conductor of radius 18 cm carries a uniform current with J = 142 A/m², the magnetic vector potential at p= 9 cm is %3D O a. -106.88åy nWb/m O b. -35.63åz nWb/m OC-106.88åz nWb/m O d. -35.63åy nWb/m e. -178.13åz nWb/m O f.-178.13ày nWb/m
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