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You searched for: Electricity/Magnetism Learning Activities

Measurement inserts, others

Supplier: PHYWE

Educational Materials, Electricity/Magnetism, Application: Physics, Thermometer insert, +1300 ° C

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Wiring

Wiring

Supplier: CORNELSEN EXPERIMENTA

Bare wire in a roll, on a plastic former.

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Conductor balls

Conductor balls

Supplier: PHYWE

For electrostatic experiments, for example, determination of the charge of a sphere and induction experiments. Hollow surface-treated brass sphere equipped with 4 mm holes for connecting banana connectors.

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Electrical tube

Electrical tube

Supplier: GR NNA PLASTEMBALLAGE AB

Straight, stainless steel wire, mounted with a rubber stopper in soda glass tubes. Used for collecting gases during electrolysis. Suitable holder 765-0440. Electrode.

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Thermocouple

Thermocouple

Supplier: CORNELSEN EXPERIMENTA

For experiments with thermoelectric effects. Consists of brazed copper and constant wire. Equipped with connections for 4 mm banana connectors. Mounted on plate with rod, 10 mm.

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Experimental kit electrostatics

Experimental kit electrostatics

Supplier: PHYWE

Effective and pedagogical experimental set. A number of phenomena in electrostatics can be illustrated. Very suitable for use with belt generator or influence machine. The kit is included.

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Plastic fibers

Plastic fibers

Supplier: CORNELSEN EXPERIMENTA

For demonstration of electric field lines and electrostatic charge.

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Maltese cross tube

Maltese cross tube

Supplier: 3B Scientific

Evacuated glass flask containing i.a. electron gun with directly heated tungsten wire cathode and a cylindrical anode. The electron gun emits a divergent electron beam, aimed at an Maltese cross of aluminum placed in the middle of the tube. The cross can be connected electrically. At the same time, light from the filament is also directed towards the cross, so that a comparison can be made between the shadows of different types that appear on the luminescent surface at the far end of the tube. Specifications.

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Panel mechanics 1, basic set without board

Supplier: PHYWE

Same as 765-1149 but without painting. 50 components incl. Manual.

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Discharge

Discharge

Supplier: CORNELSEN EXPERIMENTA

Insulating rod with two adjustable metal arms with ball ends.

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Generator with hand loom

Generator with hand loom

Supplier: CORNELSEN EXPERIMENTA

Bicycle dynamo with transparent housing. Consists of magnetic anchor and coil mounted on base with belt drive. Equipped with connections for 4 mm banana plug and light bulb 3.5 V/0.2 A.

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Electrodefraction tubes

Electrodefraction tubes

Supplier: PHYWE

Equipment for quantitative demonstration of the electron's wave nature and particle properties. At high electron energy, interference can be observed and evaluated in the form of Debye-Scherrer rings. The Broglie equation and Bragg's conditions can be proved. At low electron energies, the paticle properties of the electron can be demonstrated in a manner similar to geometric optics.

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Plexiglas tube with ball

Plexiglas tube with ball

Supplier: CORNELSEN EXPERIMENTA

Apparatus for demonstrating the movement of a charged body. Consists of plexiglass tubes with two metal electrodes, ball with metallic surface and 4 mm connection sleeves. When connected to a high voltage source, the ball moves back and forth between the electrodes.

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Measurement inserts for resistance measurement

Measurement inserts for resistance measurement

Supplier: PHYWE

Measurement insert for resistance measurement. Used together with demonstration instruments 765-1247. Clear, fine-grained scale with number markings. Measuring range window where the information automatically follows the measuring range switch. On the back there are measuring range switches, zero adjustment and contact sleeves for printers.

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Millikanapparat

Millikanapparat

Supplier: PHYWE

Equipment for demonstration of the quantum properties of the electric charge, as well as to determine the elementary charge. The experiment is easy to perform and suitable for both laboratory and demonstration using the Videoflex camera (765-1000). With the equipment, the elemental charge can be determined in 3 ways: change of charge by means of an alpha radiator, falling and rising speed with constant capacitor voltage and free voltage and falling speed without electric field.

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Conductor ball

Conductor ball

Supplier: GR NNA PLASTEMBALLAGE AB

Very light ball of porous plastic. With thin nylon thread for hanging. Used for influence tests, for transferring charge, eg between capacitor plates etc.

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Electron diffraction tube D

Electron diffraction tube D

Supplier: 3B Scientific

Highly evacuated electron tube for determining the wavelength of electrons as a function of the anode voltage from the radii of the diffraction rings and the distance between the lattice planes of graphite (Debye-Scherrer-diffraction) and rendered visible on a fluorescent screen. Also intended for determining the wavelengths of monochromatic radiation at different anode voltages from the radii of the diffraction rings and the lattice plane spacing of graphite, as well as confirming de Broglie’s hypothesis.

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Demonstration instruments for measuring inserts

Demonstration instruments for measuring inserts

Supplier: PHYWE

With a special addition, the analogue instrument can be turned into a digital instrument with simultaneous analogue display. In order to extend the measurement possibilities, there are also measurements for power and voltage amplification. The replaceable measuring areas are slid into a slot on the top of the instrument ('toaster principle').

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Headband with elderflower balls

Headband with elderflower balls

Supplier: GR NNA PLASTEMBALLAGE AB

Ribbons with elderflower balls suspended in thin threads. Placed around the head of a person who stands on an insulating surface and can be charged with the help of a belt generator. The balls stand out correctly. The belt can also be placed directly on the belt of the belt generator.

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Thermistors

Thermistors

Supplier: GR NNA PLASTEMBALLAGE AB

Semiconductor type nonlinear resistors with large negative temperature coefficient (NTC resistors). Used for studies of temperature dependence of resistances, such as temperature sensors, current limiters, etc. Of standardized disc type with connecting wires.

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Insulating rod

Insulating rod

Supplier: CORNELSEN EXPERIMENTA

High voltage porcelain insulator. The high-voltage side is equipped with two radial and one axial holes for 4 mm banana pins and a slot with a clamping screw for plates with a maximum thickness of 4 mm. The grounded side has a radial hole for 4 mm banana pins. Insulation voltage: max 25 kV.

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Microvolt amplifier for demonstration instruments

Microvolt amplifier for demonstration instruments

Supplier: PHYWE

For measuring low currents AC/DC and DC voltages AC/DC eg Hall voltages and thermal voltages. High sensitivity and very good electrical stability. Well shielded from disturbing voltages. Overload protected up to 220 V AC/DC. The front is equipped with two scales 0 to 3 and 0 to 10 both with fine division, measuring area window and automatic function indication. The back is equipped with a function switch, measuring range switch, pushbutton for zero setting and steering wheel for electrical zero adjustment. There is also a printer connection.

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Plate capacitor

Plate capacitor

Supplier: PHYWE

Precision capacitor for electrostatic tests e.g. examination of the relationship between charge, voltage and capacitance. Measurement of the dielectric constant and the electrostatic induction constant. The permanently mounted plate is well insulated while the movable plate is mounted directly in the stand. The distance between the capacitor plates can be adjusted with an accuracy of 0.1 mm. Distance between plates 0 to 70 mm.

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Experiment kit, electric field lines

Experiment kit, electric field lines

Supplier: PHYWE

For demonstration of electric fields between electrodes of different shapes. The electrodes have been applied in thin conductive layers on plexiglass plates and the field line images appear in groats placed in a cuvette with 1 to 2 mm castor oil (the cuvette is placed on the plexiglass plate). The cuvette has an annular electrode in the outer jacket and a 4 mm connection sleeve. The cleaning is easy when electrodes resp. plexiglass plate never comes into contact with the oil. Suitable voltage source: High voltage generator 0 to 25 kV or Van de Graff generator.

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Wire beam tube e / m

Wire beam tube e / m

Supplier: PHYWE

Ice cream sphere filled with noble gas of low pressure. The tube's two cylindrical necks are protected by plastic sleeves and are designed to fit in Helmholtz coils 765-1207. The tube is used to show how an electron beam is deflected in a magnetic field. If the tube is in a homogeneous magnetic field with sufficient strength, the electron beam becomes circular. The tube is equipped with an internal measuring scale with fluorescent markings at distances of 4, 6, 8 and 10 cm (2r) from the cathode. The tube is well suited for determining the charge-mass ratio of the electron with great accuracy.

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Voltmeter, electrostatic

Voltmeter, electrostatic

Supplier: PHYWE

Demonstration instrument for lossless measurement of DC and AC voltages. Due to the high insulation resistance (approx. 1014 ©), the instrument loads the voltage source insignificantly. At the same time, the voltage drop becomes negligible. The measuring systems are protected against disturbing fields and placed in plastic apparatus housings. The measurement can be studied from the back through a window. The large and clear scale and the design of the pointer make the instrument very easy to read even at longer distances. The scaling of the scale enables precision reading. Scale is also available on the back. The pointer is visible through a slit in the scale. Mechanical zero adjustment with thumbwheel. Protected against overload by flashing over spark gap. Connection with banana connectors to high voltage insulator and two sockets for ground connection on the top of the instrument. Used in electrostatic tests, often together with power supplies 765-1325 or eg for examination of the charge density on Faraday cages, conductors etc.

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