Ch 28 hw exercise 28.10 8 of 9 constants a short current element dl⃗ = (0.500 mm)j^ carries a current of 4.60 a in the same direction as dl⃗ . point p is located at r⃗ = ( -0.730 m)i^+ (0.390m)k^. part a find the magnetic field at p produced by this current element. enter the x, y, and z components of the magnetic field separated by commas. dbxd b x, dby, dbz = nothing t request answer provide feedback