【判断题】An oscilloscope shows you how voltage varies with time. It plots a voltage against time graph on the screen. The y-axis is voltageand the x-axis is time.This is most useful when you look at varying vo...
【判断题】An oscilloscope shows you how voltage varies with time. It plots a voltage against time graph on the screen. The y-axis is voltage and the X-axis is time. This is most useful when you look at varying ...
【简答题】Matt is going on holidays to Brazil. Read this page from his guide book. Brazil is a beautiful country and you will have a wonderful holiday. Make sure you follow this advice. Safety--- If you lose yo...