You searched for: Electricity/Magnetism Learning Activities

Supplier: ELWE LEHRGERAETEBAU KLINGENTHA

For examination of the deflection of the electron beam in a magnetic field. Particularly suitable for determining e/m in a homogeneous magnetic field generated by Helmholtz coils. Spherical glass flask containing i.a. an electron gun with indirectly heated cathode and anode with holes. The glass flask is filled with neon of low pressure. The gas atoms are ionized by the electrons and are thus excited so that light can be emitted. Therefore, a visible luminous beam is formed along the path of the electrons.

Supplier: LUNDGRENS MASKINF═RN═DENHETER

765-0325 Rubber band, Norstedt; Fits Norstedt's belt generators.

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.

Supplier: LUNDGRENS MASKINF═RN═DENHETER

Educational Materials, Electricity/Magnetism, Application: Physics, Rubber cloth, 150 × 150 mm

Supplier: CORNELSEN EXPERIMENTA

For electrostatic experiments. 10 pcs in a bag.

Supplier: GR NNA PLASTEMBALLAGE AB

Elderberry globules are used in influenza experiments, to detect charge. Fp about 10 pcs.

Supplier: CORNELSEN EXPERIMENTA

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

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.

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%).

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.

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.

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.

Supplier: GR NNA PLASTEMBALLAGE AB

Educational Materials, Electricity/Magnetism, Application: Physics, Ylleduk, 150 × 150 mm

Supplier: PHYWE

Only 50 components.

Supplier: CORNELSEN EXPERIMENTA

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

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.

Supplier: CORNELSEN EXPERIMENTA

When charging, the screen unfolds. Equipped with 4 mm rod suitable for influence machine, belt generator and Faraday's cage.

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.

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.

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.

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.

Supplier: CORNELSEN EXPERIMENTA

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

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.

Supplier: CORNELSEN EXPERIMENTA

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

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.

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.

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.

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.

Supplier: PHYWE

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

Supplier: 3B Scientific

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