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1.8 cm 2.5 cm The diagram shows two long straight wires carrying the following currents in the directions shown: 11 = 11.5 A 12 =8.7 A The net magnetic field at P, which is 1.8 cm from 1 and 2.5 cm from 12, is the vector sum of the fields from both wires Calculate the magnitude of the net magnetic field at P. (Give your answer in tesla but don't include the units.) C = 3 x 108 m/s 0 = 8.85 x 10-12 C 2 N - m2 10 = 41 x 10-7 T . mA Chapter 21 magnetic force on moving charge: |F~ |= [all~viIB~ | magnetic force on straight current. ]F~ | = ILB- magnetic field produced by long current |8- | = Hol 2ur magnetic field produced by loop current. (B-- center) = N HO1 2R Chapter 22 Emotional = VBL E = -N AQ Ar Q = BA cos 8 Chapter 20 E = cB Emms = Emax v 2 Brmis = Bmax ~ 2 0 = OE 2 = 1 ,10 8 2 5 = PA = QU