Magnetism

Magnetism

Demonstrate Magnetic Field Lines using this unique device – its transparent housing is perfect to place on an overhead projector for the entire class to see. The Diamagnetic Levitation Apparatus is an inexpensive device which uses graphite as the diamagnet. Individual magnets are available in a variety of shapes and sizes or you could try our   Magnetic Equipment Set with over 24 dozen ... »»»
Items:  15 | All
U19550: Pair of Bar Magnets, 80 mm

Pair of Bar Magnets, 80 mm

Pair of bar magnets with poles marked red and blue. In plastic protective cover.
Dimensions: approx. 80x22x10 mm³

Item: U19550 [1003085]

 

$ 11.00


U19551: Pair of Bar Magnets, AlNiCo, 60 mm, with Two Iron Yokes

Pair of Bar Magnets, AlNiCo, 60 mm, with Two Iron Yokes

Pair of AlNiCo bar magnets, red, with north pole marked. Including two iron yokes.
Dimensions: approx. 60x15x5 mm³

Item: U19551 [1003086]

 

$ 21.00


U19553: Horseshoe Magnet 140 mm, with Yoke

Horseshoe Magnet 140 mm, with Yoke

Horseshoe shaped chromium steel magnet with yoke, poles coloured red and silver.
Pole area: approx. 20x10 mm²
Distance between poles: approx. 60 mm
Length of shank: approx. 140 mm

Item: U19553 [1003088]

 

$ 29.00


U19555: Magnetic Equipment Set

Magnetic Equipment Set

A selection of various magnets for introducing the subject of magnetism. Complete with a specially molded storage tray.

Contents:
3 AlNiCo round magnets: 12 mm, 19 mm, 24 mm dia.
1 AlNiCo horseshoe magnet, 25 mm long
1 Chromium-steel horseshoe ...

Item: U19555 [1003089]

 

$ 84.00


U19556: Soft Iron Bars

Soft Iron Bars

Set of 5, non-magnetic soft-iron bars for magnetic induction experiments.
Dimensions: approx. 155 mm x 10 mm dia.

Item: U19556 [1003090]

 

$ 54.00


U19557: Natural Magnet

Natural Magnet

Unfinished, walnut-sized stone made of magnetic iron ore (magnetite).

Item: U19557 [1003091]

 

$ 10.00


U20550: Cylindrical Bar Magnet 200x10

Cylindrical Bar Magnet 200x10

Round bar magnet with poles marked red and green.
Dimensions: approx. 200 mm x 10 mm dia.

Item: U20550 [1003112]

 

$ 45.00


U20570: Horseshoe Magnet 130 mm, with Yoke

Horseshoe Magnet 130 mm, with Yoke

Horseshoe shaped magnet with yoke. Poles coloured red/green.
Pull-off force of yoke: 250 N
Pole spacing: 60 mm approx.
Length: 130 mm approx.

Item: U20570 [1003114]

 

$ 130.00


U29310: Oersted's Device

Oersted's Device

The Oersted Device demonstrates how a magnetized object, in this case a needle, is deflected by the presence of an alternating magnetic field, produced here by an electric current. The magnetic needle has two distinct poles and a length of 3 mm. The

...

Item: U29310 [1009710]

 

$ 19.00


U29314: Magnetic Needle on pivot, 75 mm

Magnetic Needle on pivot, 75 mm

The Magnetic Needle is mounted on a pivot with an acrylic base. The poles are different colors. Also available with 15 mm needle.


Item: U29314

 

$ 4.00


U29317: Cylindrical bar, steel

Cylindrical bar, steel

Pair of rods with 70 mm length and 8 mm diameter.

Item: U29317 [1010049]

 

$ 2.00


U29318: Coil, 70 turns

Coil, 70 turns

24 V / 3 A

Item: U29318 [1011235]

 

$ 12.00


U29369: Pocket Compass

Pocket Compass

Compass has a marked North, stop pin to freeze the position, labeled cardinal points, and a scale in degrees. The strong housing is fitted with a pull-down cover.


Specifications:
Housing diameter: 45 mm

Item: U29369 [1010079]

 

$ 3.00


U30048: Magnetizing and Demagnetizing Coil

Magnetizing and Demagnetizing Coil

This solenoid allows you to magnetize and demagnetize ordinary magnets or iron bars in addition to conducting inductance experiments. The rugged unit consists of insulated copper winding mounted on a base with 4mm sockets and a switch.
Windings: 1000 ...

Item: U30048 [1003237]

 

$ 238.00


U45051: Diamagnetic Levitation Apparatus

Diamagnetic Levitation Apparatus

The physicist S. Earnshaw proposed the following theorem in 1848: it is not possible for charges or magnets to be placed in a stable levitated state in a static field obeying an inverse square law. He further stated, however, that it would be possible ...

Item: U45051 [1003493]

 

$ 71.00

1 | 2Next »
Items:  15 | All