coefficient of the thermistor .3 Measure the sensitivity of the Wheatstone bridge.
实验 4、热电偶特性研究及应用 指导教师:张贤高
Experiment 4. Characteristics of thermocouple
Instructor: Zhang Xiangao
主要内容:1.研究热电偶的温度特性 2. 验证热电偶的中间导体定律 3. 验证热电偶的中间温度定律
Content: 1. Study the temperature characteristics of thermocouple. 2. Verify the principle of the middle conductor of
thermocouple. 3. Verify the Intermediate Temperature Law of Thermocouples
实验 5、示波器的原理与应用 指导教师:邓冬梅
Experiment 5. The principle of oscilloscope and its application
Instructor: Deng dongmei
主要内容:1. 用示波器测量信号的周期和幅度 2. 观察李萨如图形并测量未知信号的频率
Content: 1. Measure the period and amplitude of input signals with an oscilloscope. 2. Observe the Lissajous figure and
measure the frequency of an unknown signal
实验 6、声速测量实验 指导教师:邓冬梅
Experiment 6. Measurement of sound speed
Instructor: Deng dongmei
主要内容:1. 调整声速测量仪 2. 用驻波法测量波长和频率,并计算声速
Content:1. Adjust the sound velocity measuring instrument. 2. Measure the wavelength and frequency of a standing
wave, and calculate the sound speed.
实验 7、透镜参数的测量 指导教师:徐婷婷
Experiment7. Measurement of lens parameters Instructor: Xu Tingting
主要内容:1. 光路的共轴调节 2.自准直法,公式法,位移法分别测凸透镜焦距 3.用辅助透镜法测凹透镜的焦距
Content: 1. The coaxial adjustment of optical path 2. Measure the focal length of the convex lens with 3 different
methods.3 Measure the focal length of concave lens with an auxiliary lens.
实验 8、光电效应实验测量普朗克常量 指导教师:徐婷婷
Experiment 8. Photoelectric effect Instructor: Xu Tingting
主要内容:1. 测定光电管在 5 种不同光频率下的伏安特性曲线 2. 确定相应光频率下光电管的遏止电压 3. 计算
普朗克常量,阴极材料的逸出功及红限频率。
Content: 1. Plot the I-V curves of the phototube under five different light frequencies, 2. Determine the corresponding
stopping potential of the phototube, 3. Calculate Planck constant, the work function and cut-off frequency of the