Phone: (519) 746-4761

Canadian Address:

169 Lexington Court, Unit I

Waterloo, ON, N2J 4R9

 

US Address:

Niagara Falls, NY 14305

Canadian/International ship from Waterloo; US orders from Buffalo, NY.

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75mm (3") Bar Magnet

This 75mm blue & red painted bar magnet is ideal for doing magnetic repulsion & attraction experiments; only $1.00.

See the Related Products for accessory items such as iron filings, viewing table & magnaprobe.



Related Products


SKU: 33544
Bar magnet, ferrite, 75x18x6.5mm, red/blue: N/S

PRICE BREAKS - The more you buy, the more you save.
Quantity1+2+ 3+ 10+ 100+ 
Price for each$1.00USD$0.98USD$0.96USD$0.90USD$0.80USD
Your savings- 2%4%10%20%

Quantity :

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Magnaprobe, Mark II,  Magnetic Pole Detector Magnaprobe, Mark II, Magnetic Pole Detector
Sku: 44702
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Current Reviews: 1

If you need bar shaped magnets with greater holding or repelling force, see: neodymium magnet blocks.

Watch this video of the magnaprobe in action that shows how to identify a magnetic field around a bar magnet.


Repulsion Test

Two 75x18x6.5mm bar magnets were placed in contact with opposing poles (N:N). They were released & the distance caused by the repulsive force was measured.

Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average
46mm 44mm 43mm 42mm 44mm 44mm

Paperclip Pickup Test

Forty paper clips were placed in a 500ml beaker. A single 75x18x6.5mm ferrite bar magnet was dipped into the beaker to pick up as many paper clips as possible.

Type Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Average
Uncoated Steel 19 18 21 28 22 22

Plastic Coated Steel

13 11 13 9 9 11

 

4 Stars 2017-04-20

Good strong magnet, not recommended for kids as they break easily when dropped.

-Indigo:
Yes, brittleness is their main drawback.


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