P30_051 - 51. (a) The magnitude of the magnetic dipole...

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51. (a) The magnitude of the magnetic dipole moment is given by µ = NiA ,whe re N is the number of turns, i is the current, and A is the area. We use A = πR 2 ,where R is the radius. Thus, µ = NiπR 2 = (300)(4 . 0 A) π (0 . 025 m) 2 =2 . 4A · m 2 .
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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