180CHAPTER 20 20.6The magnetic field generated by the current in the solenoid is ()720250410TmA15.0A2.36100.200 mBnIµπ−−==×⋅=×Tand the flux through each turn on the solenoid is 2225cos4.0010m2.3610Tcos02.9610T m4BBA2θπ−Φ=×°=× ⋅20.7(a) The magnetic flux through an area A may be written as ( )coscomponent of perpendicular to BBA=⋅(AThus, the flux through the shaded side of the cube is )2235.0 T2.510m3.110BxΦ= ⋅ =⋅×=×2T m⋅±²³±±²(b) Unlike electric field lines, magnetic field lines always form closed loops, without beginning or end. Therefore, no magnetic field lines originate or terminate within
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This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.