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Conceptual questions of chapter 17 part1 | electronics 12 | physics lectures for class12 kpk board


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Source channel: candle academy pakistan

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welcome to candle academy Pakistan. this is a lecture 12 of chapter 17 electronics class 12 Physics Federal board and kpk board. in this lecture first five conceptual questions of chapter 17 are solved.

00:39 Conceptual question 17.1

Explain the formation of depletion region in a PN junction.

05:02 Conceptia question 17.2
Explain why in a transistor.
a. The base is lightly doped and
b. The collector is larger in size

09:15 Conceptual questions 17.3
Explain why base current is weak as compared to collector current.

11:53 Conception question 17.4
Why the emitter base junction is forward biased and collector base junction is reverse biased?

16:31 Conceptual question 17.5
Draw the diagram of NPN and PNP transistors and explain how it works?

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