Oil of specific gravity 0.83 flows in the pipe shown in Fig.P3.74. If viscous effects are neglected, what is the flowrate?
Chapter 28: Magnetic Fields Interaction of Magnetic Poles 1 magnet N – S N – N Attract Repel PHY2049: Chapter 28 1 PHY2049: Chapter 28 4 Magnetic Fields Magnetic Monopoles ▯ Magnetic field (units, field lines) ▯Can any isolated magnetic charge exist ▯Magnetic field of the earth and other astronomical objects ▯We would call this a “magnetic monopole” ▯It would have a + or – magnetic charge ▯ Effects of magnetic fields on charges and currents ▯Force on a moving charge ▯Force on a current ▯How can we isolate this magnetic charge ▯Cut a bar magnet in half NO! ▯Torque on a current loop ▯Path followed by particle in magnetic field ▯ Generating magnetic fields What you get is a bunch of ▯Long wire ▯Current loop
