Hall Effect Set-Up, Dhe-21
it is designed to give a clear idea to the students about Hall Probe & is recommended for class room experiment.
Consists of the following :
HALL PROBES Hall Probe :
Hall Probe : (Ge Crystal)
Material : Ge single crystal n or p-type
Resistivity : 8-10 ohm cm
Contacts : Spring type (solid silver
Zero-field : <1mV (adjustable) potential
Hall Voltage : 25-35mV/10mA/KG
DIGITAL MILLIVOLTMETER:
Range : 0-200mV (Resolution 100microvolt)
Accuracy : ±0.1% of reading ±1 digit
Impedance : 1 Mega ohm
Display : 3½ digit, 7 Segment LED
CONSTANT CURRENT GENERATOR :
Currents : 0-20mA (Resolution 10mA)
Display : 3½ digit, 7 segment LED
Accuracy : 0.25% ±1 digit
Load : 0.05% for no load to
Regulation : full load
Line : 0.05% for ±10% changes
It is designed to give a clear idea to the students about Hall Probe & is recommended for class room experiment. A minor draw back of this probe is
that it may require zero adjustment.