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Plans for a large eddy current pendulum to go on the large electromagnet from
No. 13. .... Rotate a strong magnet over the plate and the plate will start to spin. ...
on an AC excited coil produces a rotating magnetic field that causes a ball to spin
The small machine has two rotating disks and is turned by hand [Set-Up Time: ...
A small neon lamp will light when placed within the field of a Tesla coil. .... A
small magnet will float over a superconductor cooled with liquid nitrogen. [Set-Up ...
5G20.10 · Barkhausen effect, Magnetic domains in the core of a small coil can be
... cores into a coil connected to an audio amplifier and spin a magnet around it.
.... An electromagnet with 25 turns of wire and one dry cell can lift over 200 lbs.
5K10.18 · coil pendulum in a magnet, A 1 second pendulum with a coil for a bob
... turn coil attached to a projection galvanometer is flipped over or a magnet is ...
Jul 14, 1999 ... Similar to charges, like magnetic poles repel each other, while unlike poles
attract. ... The electron spin is a bit like the Earth spinning on its axis. ... For N
loops put together to form a flat coil, the field is just multiplied by N: ... per unit
length (or, in other words, the total number of turns over the total length).
Jul 20, 1999 ... A ferromagnetic material is one that has magnetic properties similar to ... Each
electron has a spin. ... Secondly, domains which are aligned with the field will
expand to take over regions occupied by domains aligned opposite to the field. ...
One method is to coil a wire around a nail (made of iron or steel), ...
an analogy an ideal solenoid has a magnetic field inside the coil but not outside.
There is a ... If I attach a small but strong magnet to a string and let it swing over
an aluminum plate it ... ring magnet will start spinning as it falls. It changes speed ...