Dr. Ahmed G. Abo-Khalil

Electrical Engineering Department

magnetic force

Classically, the force between two magnetic poles is given by:[28]

F={{mu q_{m1} q_{m2}}over{4pi r^2}}

where

F is force (SI unit: newton)
qm1 and qm2 are the magnitudes of magnetic poles (SI unit: ampere-meter)
μ is the permeability of the intervening medium (SI unit: tesla meter per ampere, henry per meter or newton per ampere squared)
r is the separation (SI unit: meter).

The pole description is useful to the engineers designing real-world magnets, but real magnets have a pole distribution more complex than a single north and south. Therefore, implementation of the pole idea is not simple. In some cases, one of the more complex formulae given below will be more useful.

Office Hours

Monday 10 -2

Tuesday 10-12

Thursday 11-1

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Contacts


email: a.abokhalil@mu.edu.sa

a_galal@yahoo.com

Phone: 2570

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