High-quality interchangeable board with an undoped germanium crystal for investigating the conductivity of undoped germanium as a function of temperature. With contacts for transverse current, integrated resistive heating element with temperature sensor directly under the crystal, and multi pin plug for connecting the circuit board to the basic Hall effect apparatus (U8487000).
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], 霍尔效应](/imagelibrary/U8487010/U8487010_01_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], 霍尔效应](/imagelibrary/U8487010/U8487010_02_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], 霍尔效应](/thumblibrary/U8487010/U8487010_01_1200_1200_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
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![Experiment: Electrical conduction in semiconductors (115 V, 50/60 Hz), Basic equipment, 8000723 [UE6020100-115], Conduction Phenomena](/thumblibrary/UE6020100-115/UE6020100-115_01_140_140_Experiment-Electrical-conduction-in-semiconductors-115-V-5060-Hz-Basic-equipment.jpg)
![N-Doped Germanium on Printed Circuit Board, 1009760 [U8487030], 霍尔效应](/thumblibrary/U8487030/U8487030_01_140_140_N-Doped-Germanium-on-Printed-Circuit-Board.jpg)
![P-Doped Germanium on Printed Circuit Board, 1009810 [U8487020], 霍尔效应](/thumblibrary/U8487020/U8487020_01_140_140_P-Doped-Germanium-on-Printed-Circuit-Board.jpg)
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![直流电源0 – 20 V, 0 – 5 A
(230 V, 50/60 Hz), 1003312 [U33020-230], 供电器](/thumblibrary/U33020-230/U33020-230_01_140_140_直流电源0-20-V-0-5-A-230-V-5060-Hz.jpg)
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![带整流器的变压器 3/ 6/ 9/ 12 V, 3 A
(230 V, 50/60 Hz), 1003316 [U33300-230], 供电器](/thumblibrary/U33300-230/U33300-230_01_140_140_带整流器的变压器-3-6-9-12-V-3-A-230-V-5060-Hz.jpg)
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![用于拆除式转换器的线圈, 1000988 [U8497430], 可拆卸变压器D](/thumblibrary/U8497430/U8497430_01_140_140_用于拆除式转换器的线圈.jpg)
![Digital Multimeter P3340, 1002785 [U118091], 手持数字测量仪器](/thumblibrary/U118091/U118091_01_140_140_Digital-Multimeter-P3340.jpg)
![通用夹, 1002830 [U13255], 夹具](/thumblibrary/U13255/U13255_01_140_140_通用夹.jpg)
![U 型芯 D, 1000979 [U8497215], 可拆卸变压器D](/thumblibrary/U8497215/U8497215_01_140_140_U-型芯-D.jpg)
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![功率函数生成器（230 V，50/60 Hz）, 1009957 [U8533600-230], 信号函数发生器](/thumblibrary/U8533600-230/U8533600-230_01_140_140_功率函数生成器-230-V-5060-Hz.jpg)
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![数字万用表 P1035, 1002781 [U11806], 手持数字测量仪器](/thumblibrary/U11806/U11806_01_140_140_数字万用表-P1035.jpg)
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![模拟万用表 ESCOLA 100, 1013527 [U8557380], 手持模拟测量仪器](/thumblibrary/U8557380/U8557380_01_140_140_模拟万用表-ESCOLA-100.jpg)