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Magnetism

Magnetism:

Ampere Rule Apparatus

This apparatus allows student to study the magnetic field around a wire. Heavy brass wire with terminals is arranged on a clear plastic base. Also included are 1 each 45 mm compass and 6 each 16 mm compasses. Dimensions 17.5 x 7.5 x 10 cm approximately.

Bar Magnet

3" Ceramic Bar Magents (Pair) with spacer and keepers.
Each magnet measures 3"x 0.50"x 0.25"
Each bar is stamped with a "N" or "S"
Supplied in 3.5" x 1.5"x 0.625" cardboard box.

Bar Magnets-Alnico

In Pairs with keepers. Dimensions are approx.
• Bar Magnets 2 Inch (50mm)
• Bar Magnets 3 Inch (75mm)
• Bar Magnets 4 Inch (100mm)
• Bar Magnets 6 Inch (150mm)
• 1North South Poles marked.

Bar Magnets-Chrome Steel

In Pairs, half Red / Blue painted with keepers.
Dimensions are approx.Size 37 x 12 x 5 mm
• Bar Magnets 2 Inch (50mm)
• Bar Magnets 3 Inch (75mm)
• Bar Magnets 4 Inch (100mm)
• Bar Magnets 6 Inch (150mm)
• 1North South Poles marked.

Electromagnet-Advanced

This is our best quality version, operating on 12Volts and has a higher lifting power. Normal voltage to the terminals up to 12 volts DC, Coil Turns 600 each.

Electromagnet-Basic U Form

Comprising iron U-shaped core of circular section, with armature and carrying hook. Wounded with insulated copper wire and provided with connectors, for use on 4-6 volts D.C.

Horse Shoe Magnet

• Horseshoe Magnet Nickel Plated 100mm
• Horseshoe Magnet Nickel Plated 125mm
• Horseshoe Magnet Nickel Plated 50mm
• Horseshoe Magnet Nickel Plated 75mm
• Nickel plated horseshoe magnets have N (north) and S (south) engraved.
• With keeper.
• Measurements are approximate.

Magnetic Field Demo

Two verticals coils, single and 5 turns, of dia. 62mm, copper wire dia. 1.5mm, mounted on a clear acrylic base plate with socket terminals.
Single turn and 5 turn coils for investigating magnetic field associated with a vertical coil. Maximum current is 8A for the single turn and 5A for the 5 turn. Coil diameters 62 mm copper wire diameter 1.5 mm

Plotting Compass

With dial marked with principal points of the 100 mm compass, one glass face only, in aluminium case.

Pocket Compass-Aluminium

• 45mm Diameter
• Aluminum case
This economy compass comes complete in an aluminum case.

Solenoid

Solenoid is wound with 700 turns of insulated copper wire on square plaques with 4mm sockets. Designed to carry 1.6 A continuously and will sustain a current of 5 amps.
Excellent for the study of electricity and magnetism experimentsrequiring an external magnetic field. This is made from nicely wound 700 turn coil of insulated copper wire. This air core solenoid has an inner diameter of 4.5 cm and a length of 15 cm so it allows to insert an experimental apparatus into its magnetic field. It can carry a current of 1.6A continuously or max. 5A intermittently.

U Shaped Magnet

Floating Rings Magnet Set

• 5 ceramic ring magnets with a 32mm external diameter • Overall height of the stand is 150mm This floating ring magnet set demonstrates magnetic repulsion. It is comprised of five ceramic ring magnets, 32mm external diameter, with a 150mm tall wooden base.

Tangent Galvanometer Basic

Investigate magnetic fields produced by an electric current. Students observe as a current carrying coiled wire produces a magnetic field perpendicular to the direction of the current. Students learn that the strength of the magnetic field varies with the number of times the wire is coiled.

Electromagnet Demonstration

A small electromagnet mounted on a plastic case with 4mm safety connections. The voltage supplied through those connections power the electromagnet (maximum of 12V). Students can observe the change in strength of the electromagnet by changing the input voltage. Paper clips are ideal to use as weights to demon-straight this concept. Product Specifications: Copper Wire is 23SWG - Diameter (0.61mm) Number of Turns = 230 Resistance = 0.8 Ohm Inductance = 1.6mH

Tangent Galvanometer

Consists of an acrylic hoop 12.7 cm in diameter wrapped with 2 coils of copper wire - one coil has 5 turns and the other 10, 3 binding posts which allow connections to 5, 10 or 15 turns and a compass. Used to demonstrate how a current loop generates a magnetic field. Consists of an acrylic hoop 12.7 cm in diameter wrapped with 2 coils of copper wire - one coil has 5 turns and the other 10, 3 binding posts which allow connections to 5, 10 or 15 turns and a compass.

Laplace Law

Current intensity for the setting in motion 2.5 A, Aluminium Rails and mobile bar, 4 mm safety banana sockets. Mobile bar is equipped with a marked disc. Supplied with 2 marks (red and blue) to show the Umagnet’s poles and the magnetic field’s direction.