The axis of a long dielectric tube with an inner radius r = 2m and an outer radius r = 5m coincides with the z-axis. Inside the dielectric body, there is a polarization vector in the form of P = P.(3yâx + 4xây). Find the equivalent volume charge density Ppv at point (2,0,4). Ppv = 0 O A) O, Ppv 7Por sin ø cos Ø %3D B) Ppv Por sin ø cos Ø
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