Question: A constant electric curent I in an infinitely long straight wire is suddenly switched on at -0. The vector potential at a perpendicular distance

A constant electric curent I in an infinitely long straight wire is

A constant electric curent I in an infinitely long straight wire is suddenly switched on at -0. The vector potential at a perpendicular distance r from the wire is given by: a) O A= K MOI The electic field at a distance & (CH) is: b) Hol c) c Mor [2x in [f(a+Ja_re)] 2+2 (1+3) 2ajir ant jolt=9) d> - an J K

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