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Prof. Smirnov: Well, my young friends, let’s begin our seminar. If you were attentive enough last time, you might have noticed that something went wrong with our experiment on semiconductors. Which of you is eager to express your opinion?
Student Ivanov: I’m of the opinion that we chose the wrong material. If we had taken silicon instead of germanium, the experiment would have been a success.
Student Klimova: You may be right, Ivanov, but the thing is that the voltage we used on that occasion was rather low. If we wish to gain better results, we’ll have to apply a higher voltage.
Prof. Smirnov: Splendid, Klimova! You’ve hit on the right spot!
Student Sokolov: As far as I understand Electronics is a branch of physics that deals with electrons, protons, neutrons and other particles. Why should we bother ourselves with semiconductors at all?
Prof. Smirnov: On the one hand, you are right, Sokolov, semiconductors are materials for radio-electronics that deals with their atomic activity. On the other hand, how can you become an electrical engineer in our days without having an idea about semiconductors and the like?
Student Klimova: I hear the bell ringing. Shall we have a break?
Prof. Smirnov: Do, please! After the break, we’ll continue our discussion.
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