Jan 30, 2014 ... A material is said to be magnetic if it acts like a magnet. ... Use the staples to
confirm that all your nails are about the same strength. ... The nail you put in the
oven should have lost some of its magnetism, while the one you put in ...
Education.com does not make any guarantee or representation regarding the ...
Br is the measure of its residual magnetic flux density in Gauss, which is the ...
magnetic field strength in Oersted, or the point at which the magnet becomes ....
You should see that the flux measurement for the NdFeB magnet does not
change. ... Turn the pin so that it is now lined up in an East-West direction and hit
it another ...
I got a bunch of neodymium super-magnets to put up heavy stuff on the side of
my refrigerator and hold music to a steel music stand. ... Hitting them will give you
a bunch of magnetic shards. ... Does the description of this g.
Sep 3, 2014 ... The attractive magnetic field between two bar magnets shown up with .... We'd
notice Earth's magnetism much more if its gravity weren't so very strong. ... The
strength of an electromagnet depends on two main things: the .... You can also
destroy or weaken ferromagnetism if you hit a magnet repeatedly.
How does a magnet's strength drop off with distance? What is the equation for ...
Can a magnet that has lost its strength be re-magnetized? Can I make a magnet
Aug 27, 2011 ... If so, Why does a permanent magnet motor not lose it's magnetism? ... loose
some fraction of a percent over a year if held in a magnetic field, but ... The
modern rare earth magnets don't have much problem with reduced field strength,
not ... magnets, as they would lose some of their magnetism and weaken .....
Identifying the North and South Poles of a Magnet Using a Compass .... the
strength of your magnet is much greater than the earth's magnetic field, and ...
The pattern will vary depending on the shape of the magnet and its position
under the paper. .... hitting the nail jarred the molecules out of line and destroyed
or weakened ...
Magnetic fields always exit the magnet from its North pole and enter the magnet
at its South pole. ... Field strength of magnets – does shape matter? .... could, if
strong enough, start to demagnetise (weaken) the permanent magnet. .....
Magnets are brittle and can break, ship or shatter with sharp shards if they hit
What does saturation magnetism mean? ... Although it is the magnet to use for
high-strength applications, one of its drawbacks is that it cannot be ... A cup
provides a disc magnet the optimal magnetic flux focus into the smallest gap area
. .... Regardless of how careful you are, sooner or later the sharp edge will hit a
Aug 9, 2012 ... “The directive force of a magnet is its tendency to point to the north pole of the ...
render a steel bar magnetic by placing a magnet on its middle and drawing it off
.... similar ends be in juxtaposition; or gradually the polarity will be weakened. ...
in another piece of steel, without losing any of its own strength.