cbyearty6403 cbyearty6403 15-04-2020 Engineering contestada Two infinite extent current sheets exist at z = −3.0 m and at z = +3.0 m. The top sheet has a uniform current density K~ = 3.0ˆy A/m and the bottom one has K~ = −3.0ˆy A/m. Find H~ at (a) (0, 0, 4 m), (b) (0, 0, 0 m), (c) (0, 0, −4 m).