Amazing Magnetic Force - Science Experiment! • Magnetomotive Force (mmf) similar to voltage – Unit: Gilberts (Gb) = the mmf that will establish a flux of 1 Mx in a magnetic circuit having a reluctance (rel) of 1 unit. Magnetic Circuits •Magnetic Flux in circuit similar to current – Unit: Maxwells (Mx) = 1 magnetic line of force. Force Due to a Magnetic Field on a Moving Charge •The force exerted on a moving charge by a magnetic field is given by •Where F is the force vector, q is the charge of the moving particle, v is the velocity vector of the moving particle, and B is the magnetic field vector. magnetic field lines. Electric fields are created by electric charges And Electric fields exert forces on charges. Magnets produce magnetic forces and have magnetic field lines. to what they observe and why. the magnetic force dominates and relativistic electron beams can be self-confined. Presentation includes 9 slides with detailed speaker notes. Pete's PowerPoint Station is your destination for free PowerPoint presentations for kids and teachers about Magnets, Magnetism, Magnetic Fields, and so much more. Region around a magnet in which magnetic forces can act. The force around a magnet that attracts or repels. Currents and Magnets Exert Forces PPT [Includes “I Do”, “You Do”, and “We Do”] Currents and Magnets Exert Forces Notes PowerPoint slide on Magnetism compiled by Hemkumar Mondal. So far we have studied two forces: gravity and electricity Magnetism is a new force, but also related to electric charges. 10. At the poles of a magnet, the magnetic field lines are closer together. Magnetic Force. ... PowerPoint Presentation Last modified by: 2. have two ends or poles, called north and south poles. - Longer version [11:06] with an explanation of what is happening after about 5 minutes. Electric and Magnetic Forces 29 F n 1 4 o qoqnurn r2 n, E(x) n 1 4 o qnurn r2 n. (3.3) 3.2 THE FIELD DESCRIPTION AND THE LORENTZ FORCE It is often necessary to calculate electromagnetic forces acting on a … Outside the magnet their direction is from north pole to south pole and inside the magnet these are from south to north pole. Gravity is created by mass and gravity acts on masses. r r kQ E ˆ 2 = v F E qE v v = Magnetic field and force The direction of force (motion) of a current carrying conductor in a magnetic field is given by Fleming’s Left Hand Rule.. The direction of the magnetic force on the particle is: a) Right b) Left c) Into the screen d) Out of the screen e) Zero The magnetic force is given by The cross product of the velocity with the magnetic field is to the left and since the charge is positive the force is then to the left Three points are arranged in a uniform magnetic field. 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