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28 results for Electricity/Magnetism Learning Activities

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The charge of the electron, acc. busch

The charge of the electron, acc. busch

Supplier: ELWE LEHRGERAETEBAU KLINGENTHA

The exercise oscilloscope is placed at the Helmholtz coils so that its main axis coincides with the axis of the coils. A sawtooth-shaped voltage is applied to the deflection plates of the oscilloscope so that a smooth horizontal line appears on the screen. Let direct current pass through the coils at a preset anode voltage and adjust the intensity of the current so that the line is focused at one point. The specific charge e/m of the electron can be calculated from the measured values ​​of the anode voltage and the current through the coil.

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Analogue oscilloscopes

Analogue oscilloscopes

Supplier: 3B Scientific

Educational Materials, Electricity/Magnetism, Application: Physics, Analogue oscilloscope, 30 MHz, microprocessor controlled

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Rod

Rod

Supplier: CORNELSEN EXPERIMENTA

Insulated rod with 3 connection terminals for wire up to 2 mm and 4 mm contact sleeve.

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Rubber mat

Rubber mat

Supplier: CORNELSEN EXPERIMENTA

Used for electrostatic experiments.

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Conductor bottle

Conductor bottle

Supplier: CORNELSEN EXPERIMENTA

For storage of electric charge. Consists of a glass cylinder with metal foil and a conductor ball on a rod.

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Electron deflection tube D

Electron deflection tube D

Supplier: 3B Scientific

Highly evacuated electron tube with focusing electron gun and fluorescent screen (90×60 mm) inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied. The electron beam can be deflected electrically in the electric field of the built-in plate capacitor, and magnetically by using an optional Helmholtz coil pair D. By adjusting the electric field so that it cancels the magnetic deflection, it is possible to determine the specific charge e/m and the velocity of the electrons.

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Needle holder with pin

Needle holder with pin

Supplier: CORNELSEN EXPERIMENTA

For attaching an electric spinner to the ball generator's ball. Equipped with 4 mm banana plug.

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Insulated rod

Insulated rod

Supplier: CORNELSEN EXPERIMENTA

Plastic rod with metal tube equipped with an axial and a radial 4 mm connection.

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Electroscope

Electroscope

Supplier: CORNELSEN EXPERIMENTA

For electrostatic experiments. Consists of insulated aluminum holder with pointed bearing, removable capacitor plate, metal ring with rod and 4 mm earthing contact.

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Contact screw

Contact screw

Supplier: CORNELSEN EXPERIMENTA

Skarvklämma med skruv. För tråd och plåt med max 1 mm tjocklek.

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Electrostatic double pendulum

Electrostatic double pendulum

Supplier: CORNELSEN EXPERIMENTA

Used to detect electric charge. Also suitable for use with belt generator and Faraday's cage. Equipped with connection for 4 mm banana plug.

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Electrometer

Electrometer

Supplier: CORNELSEN EXPERIMENTA

Instrument for comparing charge amounts. When charging, a hand is repelled from the jumper it is hung in. Mounted on a plate.

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Plexiglas rod

Plexiglas rod

Supplier: CORNELSEN EXPERIMENTA

Used in electrostatic experiments. Equipped with holes, 4 mm, at one end for connection of conductor ball or capacitor plate.

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Electrical energy sources

Electrical energy sources

Supplier: CORNELSEN EXPERIMENTA

The kit contains about 15 different components with which a number of experiments can be performed. The components are designed so that students can quickly and easily perform their laboratory work. The kit can show how the following forms of energy are generated:

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Tube holder S

Tube holder S

Supplier: 3B Scientific

Tube holder to support all S series electron tubes for easy and safe operation. The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage. The base plate has a slot for attaching the Helmholtz pair of coils S.

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Electrostatic motor

Electrostatic motor

Supplier: CORNELSEN EXPERIMENTA

Consists of a plastic cylinder placed on an insulating rod between two tip electrodes. When connecting a high-voltage source, a charge transport is obtained which causes the cylinder to rotate.

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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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Resistance boards

Resistance boards

Supplier: CORNELSEN EXPERIMENTA

Used to show how metal wire resistance depends on length, cross-sectional area and material. Made of plastic and equipped with 6 tensioned wires connected with 4 mm banana plugs.

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Adapter, BNC connector to 4 mm jack plugs

Adapter, BNC connector to 4 mm jack plugs

Supplier: 3B Scientific

Educational Materials, Electricity/Magnetism, Application: Physics, Adapter, BNC connector to 4 mm Jack plugs with 19 mm spacing.

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Leclanche element

Leclanche element

Supplier: CORNELSEN EXPERIMENTA

Used in electrochemistry. Voltage, max 1.5 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, carbon electrode, manganese oxide, crocodile clamps and lid. Fill with ammonium chloride solution (20%).

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Plastic fibers

Plastic fibers

Supplier: CORNELSEN EXPERIMENTA

For demonstration of electric field lines and electrostatic charge.

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Bunsen element

Bunsen element

Supplier: CORNELSEN EXPERIMENTA

Used in electrochemistry. Voltage, max 2 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, carbon electrode, crocodile clamps and lid. Fill with nitric acid (65%) or sulfuric acid (8%). A light-rotating motor with a propeller is suitable as a voltage indicator.

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Daniell element

Daniell element

Supplier: CORNELSEN EXPERIMENTA

Used in electrochemistry. Voltage, max 1 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, cylindrical copper electrode and crocodile clamps. Fill with copper sulphate (10%) or zinc sulphate (10%). A light-rotating motor with a propeller is suitable as a voltage indicator.

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Discharge

Discharge

Supplier: CORNELSEN EXPERIMENTA

Insulating rod with two adjustable metal arms with ball ends.

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Wiring

Wiring

Supplier: CORNELSEN EXPERIMENTA

Bare wire in a roll, on a plastic former.

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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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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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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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