What material do magnets not penetrate
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what material(s) can magnets not penetrate? | Yahoo Answers
Q & A: Does magnetism travel through all materials . . .
PDF do not allow the magnetic force to penetrate .
What materials do magnets repel? - eHow
How can you shield a magnet?
Is there any material that can block a magnetic force . . .
Magnets: what can magnetism pass through? / Nature of . . .
Understanding Magnetic Permeability - Ideal Magnet Solutions
Magnetism: A non-contact force
Do magnets affect bullets? - Quora
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too bad all those are wrong, except for number 2 . the only thing that can shield a magnetic field are other ferro-magnetic materials . . . like iron (I believe nickel and tin will work too) . The . . .
There are other materials which attract magnetic fields, sort of pulling the field into the material . Although that's the opposite of how the superconductors act, it can also be used to shield things . If you surround something with one of these "mu-metals" the magnetic field will mostly travel through the shield and not penetrate inside .
Discover what materials act as a magnetic shield and do not allow the magnetic force to penetrate . Materials Instructions Round or rectangular magnets 2 pieces of cardboard 2" x 3" 2 pencils Tape 5 or 6 paper clips Popsicle stick Butter knife Why does this work? The magnetic field lines from the magnet pass through the cardboard and air . . .
Diamagnetics . Diamagnetic materials repel magnets at the point of their greatest magnetic field . Because the diamagnetic effect is dim, it takes two substantial pieces of diamagnetic materials surrounding a small, powerful magnet to repel the magnet, or push it in opposite directions and making it appear to levitate .
www .coolmagnetman .com/magshield .htm
The field travels within the walls of the box and do not penetrate outside of it . This is what is done when shipping magnets by air, where the field outside the shipping carton must be below a specific level for the FAA to allow it to fly . These iron boxes can be steel cans as well . The shape isn't really that important .
So, the magnets are usually packed "head to tail" to that their North poles are next to other South poles, and, thin sheets of steel, or other iron-based materials are packed around the magnets in order to "shunt" the field and to keep it from penetrating outside of the box .
What you need . For each research group (four students per group): A bar magnet (the stronger the better) . Approximately ten paper clips . A range of sheets of different materials of varying thickness, including: paper, card, wood, plastic, glass, aluminium, steel, and a beaker of water (fill to approx . 5mm) .; A range of sheets of different materials of uniform thickness (approx . 2mm), including . . .
It does not store any energy . A hard magnetic permeable material will not allow external field lines to enter its domain . Hard magnets have very strongly oriented dipoles that do not easily change their orientation, while soft magnets will more easily change their orientation in the presence of an applied field .
If the wire lengths have not made previous contact with any magnets then they should show no magnetic properties and not disturb the paperclips . Now pass out a permanent magnet to each of the student groups and demonstrate how you can use one end of the magnet to stroke the wire length consistently in one direction causing it to become magnetised .
Most bullets are lead with a copper jacket around them, so no a magnetic field would not effect its trajectory . If the bullet was made of steel or iron or another ferrous material, then yes a magnetic field would effect the bullet .
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What material do magnets not penetrate
