চুম্বক: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য
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23 নং শাৰী:
{{Commons category|Magnets}}
*[http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html HyperPhysics E/M]
*[http://www.coilgun.info Detailed Theory on Designing a Solenoid] or a coil gun
*[http://www.youtube.com/watch?v=wMFPe-DwULM Video: The physicist Richard Feynman answers the question, Why do bar magnets attract or repel each other?]
Line 35 ⟶ 34:
*[http://www.kjmagnetics.com/calculator.asp Online magnetic pull force calculator]
*[http://www.madehow.com/Volume-2/Magnet.html Magnet (How Products Are Made Volume 2)]
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