| Nächste Überarbeitung | Vorhergehende Überarbeitung |
| dummy11 [2023/11/26 19:41] – angelegt mexleadmin | dummy11 [2024/05/07 03:48] (aktuell) – mexleadmin |
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| <WRAP column half> | <WRAP column half> <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz1" rightanswers="[[:a1|'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></WRAP></WRAP></panel> |
| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | |
| <quizlib id="quiz3" rightanswers="[['a3']]" submit="check answers"> | |
| <question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox"> | |
| Current-to-voltage converter| | |
| Current amplifier| | |
| Voltage-to-current converter| | |
| Voltage amplifier | |
| </question></quizlib></WRAP></WRAP></panel> | |
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| </WRAP><WRAP column half> | <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz2" rightanswers="[[:a0_a1_a2_a3|'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></WRAP></WRAP></panel> |
| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | |
| <quizlib id="quiz3" rightanswers="[['a3']]" submit="check answers"> | |
| <question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox"> | |
| Current-to-voltage converter| | |
| Current amplifier| | |
| Voltage-to-current converter| | |
| Voltage amplifier | |
| </question></quizlib></WRAP></WRAP></panel> | |
| |
| </WRAP><WRAP column half> | <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz3" rightanswers="[[:a1_a3_a5|'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></WRAP></WRAP></panel> |
| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | |
| <quizlib id="quiz3" rightanswers="[['a3']]" submit="check answers"> | |
| <question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox"> | |
| Current-to-voltage converter| | |
| Current amplifier| | |
| Voltage-to-current converter| | |
| Voltage amplifier | |
| </question></quizlib></WRAP></WRAP></panel> | |
| |
| </WRAP><WRAP column half> | </WRAP><WRAP column half> <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz4" rightanswers="[[:a1_a2_a3|'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></WRAP></WRAP></panel> |
| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | |
| <quizlib id="quiz3" rightanswers="[['a3']]" submit="check answers"> | |
| <question title="What type of amplifier produces an output current $I_\rm O$ from an input voltage $U_\rm I$, such that an output voltage $U_\rm O = k \cdot U_\rm I$ with constant $k$ is produced?" type="checkbox"> | |
| Current-to-voltage converter| | |
| Current amplifier| | |
| Voltage-to-current converter| | |
| Voltage amplifier | |
| </question></quizlib></WRAP></WRAP></panel> | |
| |
| </WRAP><WRAP column half> | <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz5" rightanswers="[[:a0_a1_a2_a3|'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></WRAP></WRAP></panel> |
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| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> <quizlib id="quiz6" rightanswers="[[:a0_a1|'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></WRAP></WRAP></panel> |
| <quizlib id="quiz4" rightanswers="[['a0', 'a3']]" submit="check answers"> | |
| <question title="The transfer resistance ..." type="checkbox"> | |
| Cannot be measured using a resistance meter| | |
| Can be used for voltage dividers| | |
| Is given by ${U_\rm I} \over {I_\rm O}$, with input voltage $U_\rm I$ and output current $I_\rm O$| | |
| represents the gain | |
| </question></quizlib></WRAP></WRAP></panel> | |
| |
| <panel type="info" title="Exercise - Quiz"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 88%> | |
| <quizlib id="quiz5" rightanswers="[['a0','a3']]" submit="check answers"> | |
| <question title="An amplifier circuit..." type="checkbox"> | |
| ... needs an additional power supply for the amplification.| | |
| ... can only be built with positive feedback. | | |
| ... controls by an input circuit with high power output with small power.| | |
| ... has to include a voltage divider | |
| </question></quizlib></WRAP></WRAP></panel> | |
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| <quizlib id="quiz" rightanswers="[['a1'],['a0', 'a1', 'a2', 'a3'], ['a1', 'a3', 'a5'], ['a1', 'a2', 'a3'], ['a0', 'a1', 'a2', 'a3'], ['a0', 'a1']" submit="Check answers"> | |
| | |
| <question title="Which of the following statement(s) is/are correct?" type="checkbox"> | |
| P-doping produces quasi-free electrons| | |
| Conductivity in semiconductors happens via conduction and valence band| | |
| The diode blocks at any negative voltage (reverse voltage).| | |
| The diode can be modeled as a voltage source and capacitor | |
| </question> | |
| | |
| <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> | |
| | |
| <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> | |
| | |
| <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> | |
| | |
| <question title="The forward voltage ..." type="checkbox"> | |
| ... for silicon is 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> | |
| | |
| <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> | |