
#1
Feb2604, 08:28 PM

P: 1

Hey, I am sure how to answer this question,
How far does the magnetic field of force extend? Thanks. 



#2
Feb2704, 07:00 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 38,900

Forever, and ever, and ever, and ever, .......
(F decreases as 1/r^{2} and that is never 0 no matter how large r is.) 


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