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. T-Mobile 10:50 PM 1 @ 32%O 6 of 7 12 b 12.0 cm, and the current i = 20 A, what is the magnitude of the magnetic field at point enter of curvature of the arc segments? 40 cm, 2.2 - the center of A) 10m B) 0.21 ml Milá ] (97810*)(20) [604 on] a 0.11 mT by 5.2 x 10 ml E) 7.8 x 10 ml Mote 10012 13. Four long parallel conductors all carry equal currents of 1-6.0 A. The sketch is an end-view of the conductors, located at the corners of a square whose edge is 0.50 m. Current flows out of the sketch at A, C, and D, and flows into the sketch at B. Find the magnitude and direction of the magnetic field at point P-the center of the square. Velunn) A) 5.7 x 10ⓇT. toward B B) 8.0 x 10T. toward C C) 5.7 x 10 T. down D) 6.8 x 10 T. toward D E) OT X......... 14. A circular wire loop having a 10 cm radius is carrying a current of 200 mA. The current loop is placed in a uniform magnetic field of 2.0 T. Find the magnitude of the torque that the magnetic field exerts on the wire, if the magnetic dipole moment of the loop makes a 45° angle with the field. 10.0.im A) 8.9 x 10N.m B) 0.0028 N.m *200mA 200x10 C) 0.0 N.m D) 1.1 x 10N .m B2Nim E) 0.047 N.m 2- (unxio X200*10*), 2 B Mersing 2T 2 (9 ) 11.11 Page 5

Answer 1

T DATE 1 PAGE NO a = 4x10-2m To=12x102m. i = 2oA Z to its a center We know, maguche field due Current | Carryuda arc at I B = Moi 10 2R (2 for semicircle on - Butt د مال دا - Magnetic Magnetic field at P 4R field Bs Mod L T b 4 L a J e kom X * 2o Toby - = 1.047 X1004 = 0.1047 m I 6 Oollm T is the answer T.