This supplies 5 volts to pin 13. That creates a voltage difference across the pins of the LED, and lights it up.
这为13脚提供了5伏的电压，正是这个电压使LED灯亮。
A voltage amplifier generates a third and a fourth voltage signal based on a detected voltage difference between the first and second voltage signals.
电压放大器基于所述第一和第二电压信号之间的所检测的电压差而生成第三和第四电压信号。
When using remote sense, the voltage difference between high force and high sense, and between low force and low sense is usually limited to a specified value.
在采用远地取样时，通常将强制高端和取样高端之间以及强制低端和取样低端之间的电压差限制在规定的数值之内。
For example, the voltage difference between two standard cells is best observed by reversing the instrument connections to the cells and averaging the two readings.
例如，测量两个标准电池电压差的最好的方法是将仪器到标准电池的连接线反向再作一次测量，然后对两次测量的读数进行平均。
It integrates advantages of present schemes and avoids the unreasonable blocking for single unqualified parameter, such as the frequency difference, the phase difference or the voltage difference.
该方法综合了现有方案的长处，可避免单一参数(频率差、相角差或电压差)不满足就闭锁快切的弊端。
The direct measure mode is that Hall part is set into the interspace of loop winding or magnet coil, then the magnetism voltage difference or the current is measured.
直测式是将霍尔器件置于具有线圈绕组或直穿母线的环型铁磁体气隙中，测出气隙里的磁压降，即为被测电流。
The direct measure mode is that Hall part is set into the interspace of loop winding or magnet coil, then the magnetism voltage difference or the current is measured.
直测式是将霍尔器件置于具有线圈绕组或直穿母线的环型铁磁体气隙中，测出气隙里的磁压降，即为被测电流。
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