Dear Aspirant
Yes this topic is physics of 12 class chapter 14 ( semiconductor electronics).In this topic there is various combination like CE,CB,CC and there is more things about
Of you want to know more about syllabus. https://www.google.com/amp/s/school.careers360.com/articles/cbse-class-12-physics-syllabus/amp
i hope it will help you
Thank you
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