Energy Gap In GE Crystal Method
For measurement of Resistivity in GE crystal
Four Probe Set-up : Set Up Consist of 3 unit:
(i) Multi Range Digital Voltmeter
Rang : (0-2.000 V) Resolution : 100 uA At X 1 range
Accuracy : +0.1 % of reading + 12 digit Display : 3-1/2 digit, 7 segment
(II) Constant Current Generator :
Open circuit voltage : 8V Current range : 0-20 mA
Resolution : 10 uA Accuracy : +0.25% of the reading + 1 digit
(III) Oven power supply : a switch is provided for heating the oven with low & high facility.
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