tsl245 - 5 4 3 2 1 I I tsl220 p.3/6 Magnetic Field...

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Magnetic Field Application (15) A current-carrying wire is bent into two straight segments of length L at right angles. (a) Find the direction ( J , N ) of the magnetic fields B 1 , . . . , B 6 . (b) Name the strongest and the weakest fields among them. (c) Name all pairs of fields that have equal strength. I B B B B B B 1 2 6 3 4 5 L L tsl245 – p.1/6
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Magnetic Field Application (9) Two wires of infinite length contain concentric semicircular segments of radii 1m and 2m, respectively. If one of the wires carries a 6A current in the direction indicated, what must be the direction ( , ) and magnitude of the current in the other wire such that the magnetic field at the center of the semicircles vanishes? 6A 6A (a) (b) tsl226 – p.2/6
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Magnetic Field Application (4) An electric current I flows through the wire as indicated by arrows. (a) Find the direction ( J , N ) of the magnetic field generated by the current at the points 1 , . . . , 5 . (b) At which points do we observe the strongest and weakest magnetic fields?
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Unformatted text preview: 5 4 3 2 1 I I tsl220 p.3/6 Magnetic Field Application (12) Consider two infinitely long straight currents I 1 and I 2 as shown. Find the components B x and B y of the magnetic field at the origin of the coordinate system. I I 3m 4m 2 1 = 2A = 4A y x tsl234 p.4/6 Magnetic Field Application (13) Two straight electric currents I 1 and I 2 of infinite length directed perpendicular to the xy-plane generate a magnetic field of magnitude B = 6 . 4 10-7 T in the direction shown. Find the magnitude and direction ( , ) of each current. I I 3m 4m 2 y x 1 55 o B tsl235 p.5/6 Magnetic Field Application (8) Three squares with equal clockwise currents are placed in the magnetic field of a straight wire with a current flowing to the right. Find the direction ( , , zero) of the magnetic force acting on each square. (1) (2) (3) tsl225 p.6/6...
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tsl245 - 5 4 3 2 1 I I tsl220 p.3/6 Magnetic Field...

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