MAGNETIC FIELDS

In the experiment: Biot-Savart law, the profile of the magnetic flux density B of current-carrying conductor loops with different radii R and the magnetic flux density of a straight wire is determined and discussed. Both ... more

In the experiment: Biot-Savart law, the profile of the magnetic flux density B of current-carrying conductor loops with different radii R and the magnetic flux density of a straight wire is determined and discussed. Both ... more

250 g of iron filings for displaying magnetic field lines. In a storage flask. more

Use this plastic shaker to scatter iron filings that make magnetic lines of force visible. (Does not include iron filings.) more

Coil diameter: 100 mm Number of turns: 120 Coil length: 490 mm Current: max. 10 A, for short periods 20 A Connection: via 4-mm-safety sockets more

Coil diameter: 120 mm Number of turns: 120 Coil length: 490 mm Current: max. 10 A, for short periods 20 A Connection: via 4 mm-safety sockets more

Demonstration apparatus for the properties of the crystal lattice of ferromagnetic materials, particularly Weiss domains, Barkhausen jumps, saturation, hysteresis and Curie temperature. 118 freely moving magnetic needles are supported in a ... more

Like U15350, but with magnets in a square arrangement. more

Compass in a stable housing, low friction needle bearing, including a compass card and angle scale. Scale division:           2° Diameter:                   approx. 45 mm more

Set of 10 compasses for tracing field lines. Aluminum housing, glazed on both sides. Markings for indicating compass directions. Diameter: 19 mm more

Magnetic needle mounted on base with pivot point. Length: approx. 80 mm Height: approx. 110 mm more

Accurate and easy to use our Dip Circle is designed for determining the direction, in horizontal and vertical increments, of the Earth’s magnetic field and to demonstrate the magnetic field of a current carrying conductor. The instrument ... more

The Helmholtz Coils generate a homogeneous magnetic field and can be used to determine the geometric properties of the Helmholtz configuration. Two coils are arranged parallel to each other and mounted on a robust metal base plate. ... more

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 ... more

The coil and its core are mounted on a very stable plastic base. Fitted with an “on-off” switch. Connection to the electrical circuit via two 4 mm safety terminals. Specifications: Required power supply 6 to 12 V. Dimensions ... more

This economical digital teslameter will allow students to incorporate quantitative measurements into their magnetism experiments. The unit includes a Hall sensor probe for measuring axial and tangential magnetic fields up to 200 mT. The probe ... more

Experiment topics : • Magnetic flux lines of bar and horseshoe magnets • Magnetic screening • Magnetic induction • To display the shapes adopted by magnetic field lines around a straight conductor, a conductor loop, a cylindrical coil, ... more

Current Conductor for demonstrating the magnetic fields of current-carrying conductors. The magnetic field can be made visible with iron powder. Acrylic glass base with two 4 mm safety sockets. For projection on the overhead projector. Dimensions ... more

Current Conductor for demonstrating the magnetic fields of current-carrying conductors. The magnetic field can be made visible with iron powder. Acrylic glass base with two 4 mm safety sockets. For projection on the overhead projector. Dimensions ... more

Current Conductor for demonstrating the magnetic fields of current-carrying conductors. The magnetic field can be made visible with iron powder. Acrylic glass base with two 4 mm safety sockets. For projection on the overhead projector. Dimensions ... more

Instrument for three dimensional mapping of the magnetic field lines of a cylindrical bar magnet. The plexiglas housing is filled with a special, highly viscous liquid and iron filings. After the magnet has been inserted into the central hole ... more

Apparatus for demonstrating repulsion forces between magnets. Two ring magnets facing each other with identical poles are slid on a rod. Base: approx. 100 mm dia. Rod: approx. 100 mm x 30 mm dia. Weight: approx. 410 g Contents: 1 Rod ... more

Globe of the world with bar magnet along the axis of the poles on acrylic base, for demonstrating the shape of the Earth’s magnetic field. A compass (U19561) or a magnetic field indicator (U8491900) can be seen to align at the surface of the ... more

Instrument for measuring the inclination of the Earth’s magnetic field and also for mapping the magnetic field of a current-carrying conductor. The bearings are of agate upon which the magnetic needle is mounted in a frame with reference ... more

Coil with Variable Number of Turns per Unit Length For the investigation of magnetic flux density of cylindrical coils as a function of the number of turns per unit length. Measurement of the number of winding turns per unit length is carried ... more