9:37 3. [-/4 Points] DETAILS SERCP11 19.7.P.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A long, straight wire going through the origin is carrying a current of 3.40 A in the positive z-direction (see the figure below). HINT At a point a distance r = 2.70 m from the origin on the positive x-axis, find the magnitude and direction of the magnetic field. (a) magnitude of the magnetic field (in T) T (b) direction of the magnetic field O +x-direction O -x-direction O +y-direction O -y-direction O +z-direction O -z-direction At a point the same distance from the origin on the negative y-axis, find the magnitude and direction of the magnetic field. (c) magnitude of the magnetic field (in T) (d) direction of the magnetic field O +x-direction O -x-direction O +y-direction O -y-direction O +z-direction O -z-direction Need Help? Read It Watch It 4. [-/1 Points] DETAILS SERCP11 19.7.P.047. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A cardiac pacemaker can be affected by a static magnetic field as small as 1.7 mT. How close can a pacemaker wearer come to a long, straight wire carrying 24 A? mm Need Help? Read It 5. [-/6 Points] DETAILS SERCP11 19.7.P.048. AA webassign.net C A