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bar magnets - jfindlay.ca
bar magnets - jfindlay.ca

... Purpose: To see the effects of magnetic fields produced by magnets. ...
3 Simultaneous Magnetic and Electric Fields
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... F = qE + qv x B =0 qE = qv x B v=E/B An entering particle of this speed will continue moving straight across the plates. If the particle has a different speed, then the magnetic force will be different and the net force will not be zero. ...
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Superconductivity is the capacity that certain materials attain, when

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... instances where pictures are required to study soft internal organs. Nancy is undergoing an MRI procedure and is placed inside a chamber housing the coil of a large electromagnet that has a radius of 25.0 cm. A flux of 0.290 Wb passes through the coil. What is the strength of the magnetic field insi ...
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... Magnetohydrodynamics: MHD. Magneto- having to do with electro-magnetic fields; hydro- having to do with fluids; dynamics- dealing with forces and the laws of motion. Magnetohydrodynamics, or MHD, is the mathematical model for the low-frequency interaction between electrically conducting fluids and e ...
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Section_09_Ideal_MHD..

... The first term on the right hand side is just the Poynting flux arising from an externally applied electric field. The second term introduces complications when Bn  0 , for it allows coupling between the tangential and normal components of the velocity. (It is usually ignored, but this can lead to ...
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... Q1. Prove that the sum of the potential energy and the kinetic energy of a particle with mass under the force is a constant. In mechanics the potential energy is defined as = −∇ and the kinetic energy is defined as = where is velocity. ...
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... Students should understand the force experienced by a charged particle in a magnetic field, so they can: 1) Calculate the magnitude and direction of the force in terms of q, v, and B and explain why the magnetic force can perform no work. 2) Deduce the direction of a magnetic field from information ...
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magnetism review - Home [www.petoskeyschools.org]
magnetism review - Home [www.petoskeyschools.org]

... ...
1) Review - ND
1) Review - ND

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Magnetohydrodynamics



Magnetohydrodynamics (MHD) (magneto fluid dynamics or hydromagnetics) is the study of the magnetic properties of electrically conducting fluids. Examples of such magneto-fluids include plasmas, liquid metals, and salt water or electrolytes. The word magnetohydrodynamics (MHD) is derived from magneto- meaning magnetic field, hydro- meaning water, and -dynamics meaning movement. The field of MHD was initiated by Hannes Alfvén, for which he received the Nobel Prize in Physics in 1970.The fundamental concept behind MHD is that magnetic fields can induce currents in a moving conductive fluid, which in turn polarizes the fluid and reciprocally changes the magnetic field itself. The set of equations that describe MHD are a combination of the Navier-Stokes equations of fluid dynamics and Maxwell's equations of electromagnetism. These differential equations must be solved simultaneously, either analytically or numerically.
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