The invention and use of electric power has made the rapid development of modern civilization, but at the same time, the wrong use of electricity will bring serious disaster. Therefore, how to use electricity correctly is a qualified modern person needs to master the necessary knowledge. The first step is to measure the current, and a high-performance current sensor is the prerequisite to ensure that we use the current precisely and reasonably. Therefore, researchers pay great attention to it, and for different use of accuracy and environment, the use of different technologies to manufacture a variety of current sensors.
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