The Hall Effect Apparatus explores solid-state physics and conduction phenomena.
- All Major Components Included
- Two Material Options: Silver and Tungsten
- Apparatus Explores Solid-State Physics and Conduction Phenomena
- Hall Coefficient Determined by Measuring Hall Voltage UH for Various Currents
- Negative Value Indicates Electrons Are Transporting Voltage
Users determine the Hall coefficient RH of two electrical conductors by measuring the Hall voltage UH for various currents I as a function of the magnetic field B.
A negative value is obtained for the Hall coefficient of silver, which indicates that the charge is being transported by electrons. A positive value is found as the Hall coefficient of tungsten. Consequently, the holes are mainly responsible for conduction in this metal.
Ordering information: This kit includes a mobile-cassy; combi B sensor S; extension cable, 15-pole; microvoltmeter; multimeter LDanalog 30; high current power supply; variable extra low-voltage transformer; U-core with yoke; bored pole pieces, pair; coil 250 turns (2); stand rod 25 cm, 12 mm ø; leybold multiclamp; stand base V-shape, small; connecting lead 19 a, 100 cm, red/blue, pair (4); and connecting lead 32 a, 100 cm, black (2). A PC with Windows XP/Vista/7/8/10 (x86 or x64) is required but not included.
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