COMPLETE EXPERIMENTS ON ELECTRICITY AND MAGNETISM

实验：库仑定律

Item: 8001177 [UE3010100-230]

在这个实验中，对库仑定律进行了研究。该装置允许通过实验推导出库仑公式：两个带电球体（电荷量为q1和q2）的库仑力F的确定是分析的中心。球体被认为是点电荷；球体的中心彼此之间的距离是r。本实验的以下部分进行了讨论： 1. 球体的电荷量q1和q2与施加的高电压的关系。 2. 在球体之间有固定距离的情况下，库仑力F对电荷量q1和q2的依赖性r ⇒ F ∝ q1; F ∝ q2 3. 在球体的固定电荷量q1和q2的情 ... 更多

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实验：平行板电容器中的电场

Item: 8000602 [UE3010700-230]

Objective: Measure the electric field in a plate capacitor using the electric field meter The electric field meter can be used to measure the electric field within a plate capacitor directly. In this experiment a rotating sectored disc ... 更多

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实验：平行板电容器上的电压

Item: 8000604 [UE3010800-230]

Objective: Measure the electrostatic voltage as a function of the distance between the plates To increase the distance between the charged plates of a plate capacitor after removing their external conne ctions, mechanical work must be ... 更多

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实验：平行板电容器中的介电质

Item: 8000786 [UE3010850-230]

目的：测定各种材料的相对介电常数任何绝缘或导电不良的材料，当电场穿过时，缺乏自由载流子可以起到电介质的作用。所述材料可以是气体、液体或固体。电介质极化的电场。极化可以诱导（位移）极化和取向极化。在实验中，施加在平板电容器上的电压是在有或没有纸板或透明电容器板之间插入的透明板测量的。这些中间材料的介电常数是从测得的电压的比率获得。更多

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实验: 带电水滴, 基本设备

Item: 8000606 [UE3020100-230]

Objective: Demonstrate the electric current generated by the motion of charged droplets of water Electric current arises due to an amount of charge being transported during a given interval of time. A flow of current can be simply illustrated ... 更多

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实验: 带电水滴,扩展

Item: 8000608 [UE3020100S-230/115]

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实验:电传导

Item: 8000609 [UE3020200-230]

Objective: Determine the electrical conductivity of copper and aluminium Electrical conductivity of a material is highly dependent on the nature of the material. It is defined as the constant of proportionality between the current density ... 更多

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实验: 惠斯通电桥

Item: 8000611 [UE3020300-230]

Objective: Determine the value of certain resistances An arrangement in which two voltage dividers are connected in parallel and connected to the same DC voltage source can be used to obtain the values of certain resistors. The first voltage ... 更多

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实验: 欧姆定律

Item: 8000613 [UE3020320-230]

Objective: Verification of Ohm’s law In simple electrical conductors, the current I which passes through the conductor is proportional to the applied voltage U. The constant of proportionality, the ohmic resistance R, is dependent ... 更多

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实验: 基尔霍夫定律

Item: 8000615 [UE3020330-230]

Objective: Measure voltage and current in circuits featuring resistors in series and in parallel Kirchhoff’s laws are of key importance for calculating current and voltage in various parts of a circuit with multiple branches. In ... 更多

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实验: 分压器

Item: 8000617 [UE3020340-230]

Objecive: Measure the voltage and current for a voltage divider with and without a load A voltage divider in its simplest form consists of a pair of resistors connected in series, whereby the total voltage across the two of them is divided ... 更多

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实验: 洛伦兹力

Item: 8000621 [UE3030300-230]

实验目的：测定磁场中的载流导体所受的力。实验包括测定水平悬挂于一对垂直金属丝（像一个“摆”）下方，并处于一个磁场中的载流铜棒的洛伦兹力。当电流接通时，“摆”偏离垂直位置，并且可通过偏转的角度测定洛伦兹力的大小。当电流通过铜棒，磁场强度和导体在磁场中的有效长度就会发生变化，并对这个效应进行测定。更多

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实验: 电流天平

Item: 8000763 [UE3030350-230]

Objective: Measurement of the force exerted on a current-carrying conductor located inside a magnetic field The electric balance is based on André-Marie Ampères’ experiments on electric current. It measures the ... 更多

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实验：比奥特-萨瓦特定律

Item: 8001178 [UE3030400-230]

在实验中： Biot-Savart定律，不同半径R的载流导体环的磁通密度B的轮廓和直导线的磁通密度被确定和讨论。磁场传感器的位置，即到导体环平面的距离z，以及磁通密度B都是同时测量的。这是通过远程控制定位系统PS400（文章编号1023414）和磁场传感器（文章编号1021798）实现的。获得的数字数据在Coach7软件中被自动处理和可视化，因此，当传感器通过磁场时，磁通密度B(z)的剖面图会同时显示。 ... 更多

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实验: 圆柱形线圈的磁场

Item: 8000622 [UE3030500-230]

Objective: Determine the magnetic field generated by coils of various lengths The magnetic flux density inside a long cylindrical coil is directly proportional to the current through the coil and how close together the coil windings are ... 更多

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实验: 地球的磁场

Item: 8000624 [UE3030700-230]

Objective: Determine the horizontal and vertical components of the earth’s magnetic field This experiment involves determining the inclination and magnitude of the earth’s magnetic field as well as its horizontal and vertical ... 更多

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实验: 法拉第电磁感应定律

Item: 8000626 [UE3040100-230/115]

Objective: Generating a voltage pulse in a conducting loop by the motion of a permanent magnet When a permanent bar magnet is allowed to fall in succession through a set of identical induction coils connected in series, a voltage is ... 更多

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实验:
运动导体回路中的感应, 基本设备

Item: 8000628 [UE3040200-230]

Objective: Measure the induced voltage in a conductor made into a loop as it moves through a magnetic field The change in magnetic flux that is needed to induce a voltage in a conductor loop can be caused by a movement of the loop. Such ... 更多

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实验: 通过变化磁场的感应

Item: 8000765 [UE3040300-230]

Objective: Measuring the voltage induced in an induction coil If a closed conductor loop with N windings is located in a cylinder coil through which an alternating current flows, then an electrical voltage is induced by the variable magnetic ... 更多

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实验: 瓦尔滕霍芬摆

Item: 8000632 [UE3040400-230]

Objective: Demonstrate and investigate how an eddy-current brake works In a metal disc moving through a uniform magnetic field, eddy currents get induced. The uniform magnetic field exerts a force due to these currents that causes the ... 更多

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实验: 变压器

Item: 8000633 [UE3040500-230]

Objective: Make measurements on a transformer with and without load Transformers are devices based on Faraday’s law of induction which are used for converting voltages. One major use is for the transmission of electrical power over ... 更多

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实验: 电容器的充电与放电

Item: 8000635 [UE3050101-230]

Objective: Investigation of how the voltage across a capacitor changes over time when the capacitor is charging or discharging In a DC circuit, current only flows through a capacitor at the point in time when the power is turned on or ... 更多

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实验: 电容器的充电与放电, 基本设备

Item: 8000637 [UE3050105-230]

Objective: Determine the charging and discharging times The discharge curve of a capacitor is to be derived by measuring the times taken for certain voltages to be reached to obtain sample points. The charging curve is to be measured ... 更多

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实验: 电容器的充电与放电, 补充组件

Item: 8000638 [UE3050105S]

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实验: 交流电路中电容器的阻抗

Item: 8000640 [UE3050111-230]

Objective: Determine the impedance of a capacitor as a function of capacitance and frequency Any change in voltage across a capacitor gives rise to a flow of current through the component. If an AC voltage is applied, alternating current ... 更多

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实验: 线圈的充电与放电

Item: 8000642 [UE3050201-230]

Objective: Investigation of how the current through a coil changes over time when the DC supply is turned on and off The behaviour of a coil in a DC circuit changes as soon as the DC supply is turned on or off. The change in current ... 更多

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实验: 交流电路中线圈的阻抗

Item: 8000644 [UE3050211-230]

Objective: Determine inductive impedance as a function of inductance and frequency Any change in the current through a coil induces a voltage. If an alternating current flows, an AC voltage will be induced, which is shifted in phase ... 更多

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实验: 交流电阻,
电容器 – 电阻器

Item: 8000646 [UE3050301-230]

Objective: Determine the AC resistance in a circuit with capacitive and resistive loads In AC circuits, not only ohmic resistance needs to be taken into account but also the resistance due to capacitive loads. The combination of the ... 更多

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实验: 交流电阻,
线圈 - 电阻

Item: 8000648 [UE3050311-230]

Objective: Determine the AC resistance in a circuit with inductive and resistive loads In AC circuits, not only ohmic resistance needs to be taken into account but also the resistance due to inductive loads. The combination of the two ... 更多

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实验: 交流电阻,
线圈 - 电容器

Item: 8000650 [UE3050321-230]

Objective: Determining impedance in a circuit with an inductive and a capacitive reactance AC circuits with inductive and capacitive reactances show resonant behaviour. At the resonant frequency, the impedance of a series connection ... 更多

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实验: LC谐振电路

Item: 8000652 [UE3050400-230]

Objective: Investigate the resonance response of a series LC resonant circuit An electric resonant (also resonance or tuned) circuit is a circuit which is capable of resonating at a specific frequency. It comprises an inductor and a capacitor ... 更多

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实验: 利用微波的波动光学

Item: 8000654 [UE3060300-230]

Objective: Demonstrate and investigate the phenomena of interference, diffraction and polarisation using microwaves Using microwaves, many experiments can be conducted on interference, diffraction and polarisation, as an aid to understanding ... 更多

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实验: 热电子管二极管

Item: 8000656 [UE3070100-230]

• Record the characteristic for a thermionic diode at different cathode heater voltage • Identify the space charge and saturation regions • Confirm the Schottky-Langmuir law In ... 更多

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实验: 热离子三极管

Item: 8000658 [UE3070200-230]

At sufficiently high positive voltage between the cathode and anode (anode voltage), free electrons from the cathode can pass through the grid to reach the anode. The anode current generated in this way can be modulated by varying ... 更多

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Experiment: Maltese-Cross Tube, Basic equipment (230 V, 50/60 Hz)

Item: 8000660 [UE3070300-230]

• Linear propagation of cathode rays / of electron beams • Electrostatic charging effects • Electron deflection by a magnetic field Straight-line propagation of electrons in the absence of ... 更多

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Experiment: Maltese-Cross Tube, Supplement (230 V, 50/60 Hz)

Item: 8000662 [UE3070300S-230]

• Introduction to electron optics Cathode rays and deflecting fields can be used to magnify shadow images in a manner analogous to an optical lens system. With the help of this supplement, the experiment: Maltese-Cross ... 更多

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Experiment: Perrin tube (230 V, 50/60 Hz)

Item: 8000664 [UE3070400-230]

• Observing the thermionic emission of charge-carriers from a heated cathode. • Determining the polarity of the emitted charge-carriers. • Estimating the specific charge (chargeto-mass ratio) of ... 更多

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Experiment: Thomson Tube (115 V, 50/60 Hz)

Item: 8000665 [UE3070500-115]

• Investigate the deflection of an electron beam by a magnetic field. • Investigate the deflection of an electron beam by an electric field. • Construct a velocity filter using orthogonal electric ... 更多

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Experiment: Thomson Tube (230 V, 50/60 Hz)

Item: 8000666 [UE3070500-230]

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Experiment: Fine-Beam Tube (230 V, 50/60 Hz)

Item: 8000668 [UE3070700-230]

Electrons in a fine-beam tube are deflected into a circular path by a uniform magnetic field. The tube contains neon gas at a precisely defined pressure so that gas atoms become ionised by collision with electrons along the path thus ... 更多

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Experiment: Training Oscilloscope (230 V, 50/60 Hz)

Item: 8000670 [UE3070800-230]

• Investigating the deflection of an electron beam in an electric field. • Investigating the deflection of an electron beam in a magnetic field. • Calibrating the frequency control of the sawtooth ... 更多

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Experiment: Training Oscilloscope II (230 V, 50/60 Hz)

Item: 8000672 [UE3070850-230]

In the experiment, two identical current-carrying coils are placed outside the Braun tube, and the deflection of the electron beam in the magnetic fields of the coils is observed on the tube’s fluorescent screen as shifts of the ... 更多

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Experiment: Bipolar transistors (230 V, 50/60 Hz)

Item: 8000674 [UE3080200-230]

Objective: Messung der relevanten Kennlinien eines npn-Transistors A bipolar transistor is an electronic component composed of three alternating p-doped and n-doped semiconductor layers called the base, the collector and the emitter. Depending ... 更多

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Experiment: Field effect transistors (230 V, 50/60 Hz)

Item: 8000676 [UE3080300-230]

Objective: Measure the characteristics of a field effect transistor A field effect transistor (FET) is a semiconductor component in which electric current passes through a channel and is controlled by an electric field acting perpendicular ... 更多

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Experiment: Maltese-Cross Tube, Basic equipment (115 V, 50/60 Hz), 8000659 [UE3070300-115], Complete Experiments on Electricity and Magnetism

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COMPLETE EXPERIMENTS ON ELECTRICITY AND MAGNETISM