与四点同线探针法一样，如果样品电阻和电压表的绝缘电阻（电压表的公共端到地）是同一数量级的，就可能需要使用差分测量。
As with the four-point collinear probe method, a differential measurement may be required if the sample resistance is of the same magnitude as the isolation (meter common to ground) of the voltmeter.
向开关加上电压会促使带电的泡沫从金属中向上移动，这样从根本上降低了半导体的电阻和使它变成一整套的导体。
Applying a voltage to the device pushes charged bubbles up from the metal, radically reducing the semiconductor's resistance and making it into a full-blown conductor.
这种方法的好处是速度非常快，根据电源电压和所用绝缘材料的情况，使用这种方法可以测量阻值极高的电阻。
The advantages of this method are that it's fast and, depending on the power supply voltage and insulating materials, it allows measuring extremely high resistance.
泄漏电流是由测量电路和附近的电压源之间的寄生电阻通路产生的。
Leakage currents are generated by stray resistance paths between the measurement circuit and nearby voltage sources.
以氮气滑动弧为例，分析了其在一个周期内电弧电压、电流、电阻和功率的变化特性。
The arc voltage, current, power and resistance of a nitrogen gliding arc in one period were studied.
高阻电路的切换应用包括小电流、高电阻和高阻抗电压应用。
Switching applications of high impedance circuits include low current, high resistance, and high impedance voltage applications.
在任何电路中至少有三个量，它们是电压、电流和电阻。
There are at least three electrical quantities in any circuit, these are current, voltage and resistance.
有些静电计和皮安计具有内置的电压源，能够自动地计算出未知电阻。
Some electrometers and picoammeters have voltage sources built into the instrument and automatically can calculate the unknown resistance.
IR测试系统中采用的开关卡的设计和类型取决于多个因素，包括测试电压、电阻数量级、准确度、共用连接，等等。
The design and type of switching CARDS used in an IR test system depend on several factors, including the test voltage, magnitude of resistance, accuracy, com mon connection, etc.
该传感器1。5毫欧的电阻可确保极低的功率损耗和电压降。
The1.5mohm resistance of the sensor provides extremely low power loss and voltage drop.
至此，我们已经讨论了专门针对电压、电流、电阻和电荷测量所要考虑的问题。
So far, we have discussed considerations specific to voltage, current, resistance, and charge measurements.
只使用具备适当容量的高级绝缘电线。尺寸过小的电线会造成电阻和随之的电压降落。
Use only high grade insulated wiring of suitable capacity. Undersized wires will cause resistance and consequent voltage drop.
关于屏蔽小电流、高电阻和高阻电压电路的更多信息，可参考第5章。
Further information on shielding low current, high resistance, and high impedance voltage circuits can be found in Section 5.
本文研究了利用自动平衡电桥方法，通过测量高端和低端两路矢量电压来精确测量电感L、电容C和电阻R（即LCR）。
This paper studies the method of auto balancing bridge to precisely measure inductance L, capacitance C, resistance R(namely LCR)by measuring the high and low terminal vector voltages.
在有些应用中，例如监测电化电池和测量半导体的电阻系数，则可能必须进行高阻抗电压切换。
High impedance voltage switching may be necessary in applications such as monitoring electrochemical cells and measuring semiconductor resistivity.
然而，有的静电计和皮安计内部装有电压源，能够直接测量电阻。
Some electrometers and picoammeters, however, have a built-in voltage source and are capable of measuring the resistance directly.
对于PWM电流控制，最大输出电流是由用户选择参考电压和感应电阻决定。
For PWM current control, the maximum output current is determined by the users selection of a reference voltage and sensing resistor.
测试电气和电子设备和组件的连续性，电流，电压和电阻。
Test electrical and electronic equipment and components for continuity, current, voltage and resistance.
本节详细介绍如何使用这些测试夹具来进行表面电阻率和体电阻率的测量，以及测量电阻率时使用的变换极性和变换电压的技术。
This section details how to make surface and volume resistivity measurements with these test fixtures, as well as the Alternating Polarity and Alternating Voltage techniques for measuring resistivity.
如果使用分离的电流源和电压表来进行低电阻测量，则必须检查每台仪器的非欧姆接触情况。
If using a separate current source and voltmeter to make low resistance measurements, each instrument must be checked for non-ohmic contacts.
注意，这种测量方法是两线电阻测量，而使用静电计电压表和外部电流源则可以进行四线测量。
Notice that this is a two-wire resistance measurement compared to using the electrometer voltmeter and external current source, which can make a four-wire measurement.
采用恒流法，可以使用静电计电压表和电流源或者只使用静电计欧姆计来测量高电阻。
High resistance measurements using the constant-current method may be made using either an electrometer voltmeter and current source or just an electrometer ohmmeter.
图2 - 39所示为静电计和由电压源及电阻器串联组成的电流源相连接。
Figure 2-39 shows an electrometer connected to a current source that consists of a voltage source in series with a resistor.
PT100温度传感器和精密电阻构成的电桥测量电路输出微弱的电压信号。
The electrobridge measurement circuit, which consists of PT100 temperature sensor and precise resistance, outputs slight voltage signals.
在物理学中，一个众所周知的定律叫欧姆定律，根据这个定律我们可以知道电流，电压和电阻之间存在的关系。
In physics, one of the well-known laws is Ohm's law, on the basis of this law we can know the relation of the current, the voltage and the resistance.
在给定电阻情况下，电流和电压成正比。
With a given resistance, the current varies directly as the voltage.
译文：只要知道电压和电流，就能测定电阻。 。
Thee resistance can be determined provided that the voltage and current are known.
当电压保持不变时，电流和电阻成反比。
The voltage being kept constant, the current varies inversely with the resistance.
当电压保持不变时，电流和电阻成反比。
The voltage being kept constant, the current varies inversely with the resistance.
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