2. (a) [2 marks] In the lecture we have shown that the magnetic field of an infinite, thin straight wire with current I
Posted: Mon May 16, 2022 2:57 pm
2. (a) [2 marks] In the lecture we have shown that the magnetic field of an infinite, thin straight wire with current I is μοΙ B(r) = ệp 2πρ where p is the radial component of cylindrical coordinates (2,4,7). Using B = VⓇA find a corresponding vector potential of the form A(T) = Az(pêz. Hint: The simplest way is to use the curl in cylindrical coordinates.