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一对赫尔姆霍茨线圈
模拟万用表ESCOLA 30
直流电源0 – 20 V, 0 – 5 A (230 V, 50/60 Hz)
直流电源0 – 20 V, 0 – 5 A (115 V, 50/60 Hz)
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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)
![直流电源0 – 20 V, 0 – 5 A (115 V, 50/60 Hz), 1003311 [U33020-115], 供电器](/thumblibrary/U33020-115/U33020-115_01_140_140_直流电源0-20-V-0-5-A-115-V-5060-Hz.jpg)
![洛伦兹发动机, 1002662 [U10372], 磁场中的电导体](/thumblibrary/U10372/U10372_01_140_140_洛伦兹发动机.jpg)
![Force on a Conductor in a Magnetic Field, 1003251 [U30065], 磁场](/thumblibrary/U30065/U30065_01_140_140_Force-on-a-Conductor-in-a-Magnetic-Field.jpg)
![Lenz's Law Apparatus, 1009959 [U8556012], 感应现象](/thumblibrary/U8556012/U8556012_01_140_140_Lenzs-Law-Apparatus.jpg)
![演示用的电子束偏转管, 1000651 [U19155], 电子管D](/thumblibrary/U19155/U19155_01_140_140_演示用的电子束偏转管.jpg)
![电压电源0-500 V (230 V, 50/60 Hz), 1003308 [U33000-230], 供电器](/thumblibrary/U33000-230/U33000-230_01_140_140_电压电源0-500-V-230-V-5060-Hz.jpg)
![Induction Tube Apparatus with 6 Coils, 1001005 [U8511200], 感应现象](/thumblibrary/U8511200/U8511200_01_140_140_Induction-Tube-Apparatus-with-6-Coils.jpg)
![Kolbe's Electroscope, 1001027 [U8532131], 静电学](/thumblibrary/U8532131/U8532131_01_140_140_Kolbes-Electroscope.jpg)
![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)
![磁极间距可调的永磁体, 1002660 [U10370], 磁场中的电导体](/thumblibrary/U10370/U10370_01_140_140_磁极间距可调的永磁体.jpg)
![Planck’s Constant Apparatus (230 V, 50/60 Hz), 1000537 [U10700-230], 杂项](/thumblibrary/U10700-230/U10700-230_01_140_140_Planck-s-Constant-Apparatus-230-V-5060-Hz.jpg)
![追踪罗盘, 1003095 [U19562], 磁场](/thumblibrary/U19562/U19562_01_140_140_追踪罗盘.jpg)
![高压电源5kV（230 V，50/60 Hz）, 1003310 [U33010-230], 供电器](/thumblibrary/U33010-230/U33010-230_01_140_140_高压电源5kV-230-V-5060-Hz.jpg)
![Steel Safe for Radioactive Materials, 1000920 [U8483219], 杂项](/thumblibrary/U8483219/U8483219_01_140_140_Steel-Safe-for-Radioactive-Materials.jpg)
![15根安全实验导线套件，75mm, 1002843 [U138021], 电循环](/thumblibrary/U138021/U138021_01_140_140_15根安全实验导线套件-75mm.jpg)
![Sphere for Weighing Gases 1000 ml, 1003519 [U8422050], 密度](/thumblibrary/U8422050/U8422050_01_140_140_Sphere-for-Weighing-Gases-1000-ml.jpg)
![Electromotor and Generator, complete, 1017801 [U8481531], 磁场中的电导体](/thumblibrary/U8481531/U8481531_01_140_140_Electromotor-and-Generator-complete.jpg)
![沃尔特霍恩单摆, 1000993 [U8497500], 感应现象](/thumblibrary/U8497500/U8497500_01_140_140_沃尔特霍恩单摆.jpg)
![倾斜角测量仪, 1006799 [U8495258], 磁场](/thumblibrary/U8495258/U8495258_01_140_140_倾斜角测量仪.jpg)