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Experiments with magnets

Workshop for fans of physics
Author: Daniel Sjöholm, Spanga, Sweden
Online since: 09/09/2013, Number of visits: 618780
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Orientation week for new students

Each year the last week of August we at the Royal Institute of Technology in Stockholm welcome about 130 students interested in physics to our Master of Science in Engineering Physics. As part of a two-week welcome, we always come up with a program for the new students. This year the theme was magnetism.

Our magnet workshop

For our workshop, we created a booth showcasing several experiments. A few friends and I demonstrated the experiments with the neodymium magnets, making sure the students came away with a clear understanding. We found the ideas for our experiments among your customer projects and would like to introduce a few of the experiments below:

Gauss pistol

The first station demonstrated the so-called Gauss pistol.
We got the idea from your customer projects Gauss cannon and The Launching Pad. We used:

Electric motor

The students also had the opportunity to build an electric motor with simple parts.
The customer project The World's Simplest Electric Motor inspired us to try this experiment. We used:

The levitating magnetic rod

Another favorite was the levitating rod magnet.
This experiment is based on our namesake project Levitating rod magnet. We used:

The twirling sphere

An interesting experiment on the topic of magnetic repulsion was the twirling sphere.
The inspiration was the namesake customer project Swirling sphere. We used:

Slowly dropping sphere

The last experiment illustrated electromagnetic induction.
This experiment was based on the customer project Aluminum Foil as Contact-Free Parachute. We used:

You can find fascinating information about the discovery of magnetism, the history of magnets and how a compass works in our guide under the topic The History of Magnets.

Articles used

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Steel balls Ø 12,7 mm not magnets!, ferromagnetic, nickel-plated
Steel balls Ø 12,7 mm
not magnets!, ferromagnetic, nickel-plated
To combine with neodymium magnets
Steel balls Ø 12,7 mm not magnets!, ferromagnetic, nickel-plated
10 pcs. 0,44 EUR ea.*
from 40 pcs. 0,39 EUR ea.*
from 80 pcs. 0,37 EUR ea.*
from 160 pcs. 0,35 EUR ea.*
Ask for a rebate from 5 000 pcs.
Available: 21 510 pcs.
W-12-N Cube magnet 12 mm, holds approx. 6,3 kg, neodymium, N48, nickel-plated
W-12-N
Cube magnet 12 mm, holds approx. 6,3 kg, neodymium, N48, nickel-plated
W-12-N Cube magnet 12 mm, holds approx. 6,3 kg, neodymium, N48, nickel-plated
1 pc. 4,02 EUR ea.*
from 3 pcs. 3,52 EUR ea.*
from 10 pcs. 3,08 EUR ea.*
from 20 pcs. 2,86 EUR ea.*
from 40 pcs. 2,67 EUR ea.*
Ask for a rebate from 240 pcs.
Available: 37 695 pcs.
Bestseller icon S-15-08-N Disc magnet Ø 15 mm, height 8 mm, holds approx. 6,2 kg, neodymium, N42, nickel-plated
S-15-08-N
Disc magnet Ø 15 mm, height 8 mm, holds approx. 6,2 kg, neodymium, N42, nickel-plated
Bestseller icon S-15-08-N Disc magnet Ø 15 mm, height 8 mm, holds approx. 6,2 kg, neodymium, N42, nickel-plated
1 pc. 2,71 EUR ea.*
from 3 pcs. 2,37 EUR ea.*
from 10 pcs. 2,07 EUR ea.*
from 20 pcs. 1,93 EUR ea.*
from 40 pcs. 1,80 EUR ea.*
Ask for a rebate from 350 pcs.
Available: 36 931 pcs.
S-04-25-N Rod magnet Ø 4 mm, height 25 mm, holds approx. 670 g, neodymium, N42, nickel-plated
S-04-25-N
Rod magnet Ø 4 mm, height 25 mm, holds approx. 670 g, neodymium, N42, nickel-plated
S-04-25-N Rod magnet Ø 4 mm, height 25 mm, holds approx. 670 g, neodymium, N42, nickel-plated
5 pcs. 0,97 EUR ea.*
from 15 pcs. 0,84 EUR ea.*
from 40 pcs. 0,75 EUR ea.*
from 80 pcs. 0,69 EUR ea.*
Ask for a rebate from 600 pcs.
Available: 7 445 pcs.
S-08-05-N Disc magnet Ø 8 mm, height 5 mm, holds approx. 2 kg, neodymium, N45, nickel-plated
S-08-05-N
Disc magnet Ø 8 mm, height 5 mm, holds approx. 2 kg, neodymium, N45, nickel-plated
S-08-05-N Disc magnet Ø 8 mm, height 5 mm, holds approx. 2 kg, neodymium, N45, nickel-plated
10 pcs. 0,66 EUR ea.*
from 40 pcs. 0,55 EUR ea.*
from 80 pcs. 0,51 EUR ea.*
from 160 pcs. 0,47 EUR ea.*
Ask for a rebate from 800 pcs.
Available: 59 640 pcs.
S-03-03-N Disc magnet Ø 3 mm, height 3 mm, holds approx. 330 g, neodymium, N45, nickel-plated
S-03-03-N
Disc magnet Ø 3 mm, height 3 mm, holds approx. 330 g, neodymium, N45, nickel-plated
S-03-03-N Disc magnet Ø 3 mm, height 3 mm, holds approx. 330 g, neodymium, N45, nickel-plated
20 pcs. 0,29 EUR ea.*
from 60 pcs. 0,24 EUR ea.*
from 140 pcs. 0,21 EUR ea.*
from 360 pcs. 0,18 EUR ea.*
Ask for a rebate from 1 300 pcs.
Available: 466 420 pcs.
K-19-C Sphere magnet Ø 19 mm, holds approx. 4,9 kg, neodymium, N38, chrome-plated
K-19-C
Sphere magnet Ø 19 mm, holds approx. 4,9 kg, neodymium, N38, chrome-plated
K-19-C Sphere magnet Ø 19 mm, holds approx. 4,9 kg, neodymium, N38, chrome-plated
5 pcs. 6,30 EUR ea.*
from 15 pcs. 5,72 EUR ea.*
from 40 pcs. 5,30 EUR ea.*
from 80 pcs. 5,04 EUR ea.*
Ask for a rebate from 450 pcs.
Available: 3 960 pcs.
Steel balls Ø 10 mm not magnets!, ferromagnetic, nickel-plated
Steel balls Ø 10 mm
not magnets!, ferromagnetic, nickel-plated
To combine with neodymium magnets
Steel balls Ø 10 mm not magnets!, ferromagnetic, nickel-plated
10 pcs. 0,35 EUR ea.*
from 40 pcs. 0,29 EUR ea.*
from 80 pcs. 0,27 EUR ea.*
from 160 pcs. 0,25 EUR ea.*
Ask for a rebate from 2 500 pcs.
Available: 100 pcs.
Steel balls Ø 20 mm not magnets!, ferromagnetic, nickel-plated
Steel balls Ø 20 mm
not magnets!, ferromagnetic, nickel-plated
To combine with neodymium magnets
Steel balls Ø 20 mm not magnets!, ferromagnetic, nickel-plated
10 pcs. 1,15 EUR ea.*
from 40 pcs. 0,97 EUR ea.*
from 80 pcs. 0,88 EUR ea.*
from 160 pcs. 0,82 EUR ea.*
Ask for a rebate from 550 pcs.
Available: 7 680 pcs.
Steel balls Ø 8 mm not magnets!, ferromagnetic, nickel-plated
Steel balls Ø 8 mm
not magnets!, ferromagnetic, nickel-plated
To combine with neodymium magnets
Steel balls Ø 8 mm not magnets!, ferromagnetic, nickel-plated
10 pcs. 0,36 EUR ea.*
from 40 pcs. 0,29 EUR ea.*
from 80 pcs. 0,27 EUR ea.*
from 160 pcs. 0,25 EUR ea.*
Ask for a rebate from 1 500 pcs.
Available: 6 300 pcs.
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