99.29: Two light wires are hung vertically. Withb 9vx w1)d+dyt lsk71v electrical current in both wires di+kddstywb 1x vvl)197 rected upwards

  94.29: Four infinitely long wires are arrad4hew-8qr+h xgf ypo2o9 i g-12s q*jdnged as shown in the accompanying figure’s end-on view. All four wires are perpendicular to the plane of the page and have the same magnitude of current I. The conventional current in the wire in the upper right-hand corner is directed into the plane of the page. The other conventional currents are out of the plane of the page. Point P is a distance a from all four wire d4qys-xor+gw2g*efoh2d q i-8 hjp19s. What is the total magnetic field at point P?

  03.30: Two parallel wires are carrying different electri incnok3ri5,0qa9 hch9m ;/b uc currents in the same directio5a 0/ci3 kbir9;,9unhq h cmnon as shown in the diagram. How does the magnitude of the force on A from B compare to the force on B from A?

  06.37: For the four identical osbu7s-3ws2j 5sdjp w i(i9.t current-carrying wires shown (with conventional current coming out of the plane of the page), the wire on the right is labeled P. What is the direction of the magneti5udpbiw -sos (s 2wjjs39 7.tic force on the wire labeled P from the other wires?

  05.22: The diagram below shows a straight wire carryingd c)nb drsus5;kb840g6pp 8 dx current i in a uniform magnetic field. An arrow indicates the magnetic force F on the wire. Of the following possibilities, the direction ds5u 8pxb08;d pb4 k6srgd cn)of the magnetic field must be