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Hall Effect Experiment For Electrical Lab Training.
The resistivity measurements of semiconductors can not reveal whether
one or two types of carriers are present; nor distinguish between them.
However, this information can be obtained from Hall Coefficient
measurements, which are also basic tools for the determination of
carrier density and mobilities in conjunctions with resistivity
measurement.
Hall Effect experiment consists of the following:
Hall Probe (Ge. Crystal Mounted on a PCB).
Electromagnet 10,000 Gauss.
Power Supply for Electromagnete.
Constant Current Power supply with Two Digital Meters.
Digital Milli votmeter 0-200mV sensitivity ± O.lmV
Auto polarity
Digital milli Ampere-meter 0-20mA
sensitivity ± 0.01mA.
Digital Gauss meter with Hall Probe, 20KG.
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