What are the voltage waveforms of the three rectifier circuits composed of diodes?

What are the voltage waveforms of the three rectifier circuits composed of diodes? Let's take a look at [80 Xiao Chen]
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陳老師直接用示波器演示是最直觀易懂的教學方式！贊👍

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师傅讲的很到位值得学习

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