Fundamental test A:Research on the inductive coupling efficiency
The experiment content,solution and students'performance of the fundamental test A of the 9th Chinese Undergraduate Physics Experiment Competition were given,the tipic of which was about electromagnetism,consisting of 4 sections:measurement on the typical parameters and power of sinusoidal signals,identification of unknown components,the non-contact measurement on the coil current,and the analysis of coupling loss and the optimization of the efficiency.Base on the conven-tional experiment project of measurements on the basic parameters in AC signals which has been con-ducted in the college physics experiment courses,the test was designed to comprehensively examine the students'ability to use general electrical instruments especially the oscilloscopes,to understand the properties of basic electrical components,to analysis the sinusoidal signals and simple harmonic motions,as well as the ability to understand the concept of electromagnetic induction and to use it sol-ving practical problems.
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