116 • Magnetism Magnetic field pattern, vertical conductor


With a 149 x 200 mm Perspex base with 4 mm sockets. Can be used on an overhead projector. The field is made visible with iron filings.


4550.00 Magnetic field pattern, vertical conductor Induction coil, hanging 4550.00


This is used along with a cylindrical magnet with bearing 3320.10 for demonstrating induced voltages. Because the coil windings can be pul- led apart, the rotatable mag- net can be mounted within the coil and rotated using a small motor (no. 2025.00). The diameter of the copper wire is 2 mm. The length of the un-stretched coil is 200 mm.


4556.00 Induction coil, hanging


4556.00


Magnetic field pattern, 1 turn Like 4550.00 but with a single turn coil. 4550.10 Magnetic field pattern, 1 turn


4550.10


Magnetic field pattern, 10 turns Like 4550.10 but with a ten turns coil. 4550.20 Magnetic field pattern, 10 turns


Hans Christian Ørsted’s apparatus


This apparatus is used to demonstrate the action of a current carrying conductor on a compass needle. The compass need- le and the current carrying conductor are mounted on a trans- parent acrylic plate with a compass card. A DC current of up to about 3 A is sent through the conductor via 4 mm safety jacks. The device can be used on an overhead projector. Length of the compass needle: 105 mm.


4557.10 H.C. Ørsted’s apparatus 4557.10 4550.20


Passion for Science


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