Physics, 31.01.2020 19:46, brookie125
An oscilloscope shows a steady sinusoidal signal of 5 volt peak to peak, which spans 5 cm in vertical direction on the screen. by tweaking the time sweep, the periodic saw-tooth voltage of the oscilloscope is replaced by voltage signal identical to the one that is detected. what will be observed on the oscilloscope screen? 2. on a 20 mhz oscilloscope as those used in class, the knob of the time sweep rate shows for the fastest setting the mark of 0.2 microseconds per major division in horizontal direction on the screen. how many full periods of a 5 mhz periodic signal will be observed in one major horizontal division?
Answers: 1
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Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors
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Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
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