<quizlib id=„quiz1“ rightanswers=„'a1'“ submit=„check answers“> <question title=„Which of the following statement(s) for real diodes is/are correct?“ type=„checkbox“> P-doping produces quasi-free electrons| Conductivity in semiconductors happens via conduction band and valence band| The diode blocks at any negative voltage (reverse voltage).| The diode can be modeled as a voltage source and capacitor </question></quizlib>

<quizlib id=„quiz2“ rightanswers=„'a0', 'a1', 'a2', 'a3'“ submit=„check answers“> <question title=„On which physical properties does the forward voltage $U_S$ depend?“ type=„checkbox“> temperature| current range considered| (semiconductor) material| LED color| breakdown voltage of the Z-diode </question></quizlib>

<quizlib id=„quiz3“ rightanswers=„'a1', 'a3', 'a5'“ submit=„check answers“> <question title=„Which statement(s) about the junction is/are correct?“ type=„checkbox“> There is no electric field in the junction| The junction does not contain free charge carriers| The junction becomes larger when current is passed through it| Electron-hole pairs are created in the junction by photons| The junction is enlarged in the Schottky diode compared to the PN diode| The junction forms a capacitor </question></quizlib>

<quizlib id=„quiz4“ rightanswers=„'a1', 'a2', 'a3'“ submit=„check answers“> <question title=„The forward voltage …“ type=„checkbox“> … for silicon is fixed about 0.6 … 0.7 V| … serves to allow electrons to cross the bandgap| … depends on the current range under consideration| … is smaller for germanium diodes than for silicon diodes. </question></quizlib>

<quizlib id=„quiz5“ rightanswers=„'a0', 'a1', 'a2', 'a3'“ submit=„check answers“> <question title=„Statements about the conduction/valence band“ type=„checkbox“> Photon capture can move electrons from the conduction band to the valence band| „Recombination“ removes an electron from the valence band and a hole from the conduction band| A donor creates one or more quasi-free electrons| The band gap indicates the maximum energetic distance between the conduction and valence bands </question></quizlib>

<quizlib id=„quiz6“ rightanswers=„'a0', 'a1'“ submit=„check answers“> <question title=„The forward current …“ type=„checkbox“> … Is dependent on the temperature| … depends on the forward voltage| … is logarithmic concerning the forward voltage| … depends on the reverse voltage </question></quizlib>