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Physics
Classical Physics
Electromagnetism
Magnetic field outside a solenoid
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[QUOTE="patrykh18, post: 6266647, member: 609383"] I attempted it but I want to ask whether I'm going about it the right way: [ATTACH type="full" alt="20191125_201538.jpg"]253315[/ATTACH] Also is the enclosed current angle always dependent? On one hand we have that: ##\oint####B.dl=####\mu_o####\int####J.da## Which reduces to: ##\oint####B.dl=####\mu_o####I## The first equation is a dot product between J and the area so there is a dependence on the angle. The second formula has is in terms of the current going through the surface, which as far as I know shouldn't depend on the angle. Is there anything wrong with my reasoning here? [/QUOTE]
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Physics
Classical Physics
Electromagnetism
Magnetic field outside a solenoid
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