[DSE Physics] Series and Parallel Circuit 串聯及並聯電路

#DSE #Physics Online補習平台：https://tutorial.marcyam.com Mechanics 力學所有課程：https://tutorial.marcyam.com/collecti... Electrostatics 靜電學課程：https://tutorial.marcyam.com/courses/... Circuit and Domestic Electricity 電路和家居用電課程：https://tutorial.marcyam.com/courses/... Electromagnetism 電磁學：https://tutorial.marcyam.com/courses/...