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monostable #6

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merged 1 commit into from
Sep 25, 2024
Merged

monostable #6

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10 changes: 5 additions & 5 deletions experiment/posttest.json
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"version": 2.0,
"questions": [
{
"question": "What does the discharge transistor do in the 555 timer circuit?",
"question": "1. What does the discharge transistor do in the 555 timer circuit?",
"answers": {
"a": "Charge the external capacitor to start the timing over again",
"b": "Charge the external capacitor to stop the timing",
Expand All @@ -14,7 +14,7 @@
"difficulty": "beginner"
},
{
"question": "The monostable multivibrator circuit is not an oscillator because ________.",
"question": "2. The monostable multivibrator circuit is not an oscillator because ________.",
"answers": {
"a": "Its output switches between two states",
"b": "It requires a sine wave input signal",
Expand All @@ -26,7 +26,7 @@
"difficulty": "beginner"
},
{
"question": "The monostable multivibrator circuit is also know as ________.",
"question": "3. The monostable multivibrator circuit is also know as ________.",
"answers": {
"a": "One shot",
"b": "Two shot",
Expand All @@ -38,7 +38,7 @@
"difficulty": "beginner"
},
{
"question": "A monostable 555 timer has one stable states:",
"question": "4. A monostable 555 timer has one stable states:",
"answers": {
"a": "True",
"b": "False"
Expand All @@ -49,7 +49,7 @@
"difficulty": "beginner"
},
{
"question": "What is the formula to calculate the time period of the monostable multivibrator.",
"question": "5. What is the formula to calculate the time period of the monostable multivibrator.",
"answers": {
"a": "T = 0.69 * (R<sub>A</sub> + R<sub>B</sub>) * C",
"b": "T = 0.69 * (R<sub>A</sub> + 2R<sub>B</sub>) * C",
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10 changes: 5 additions & 5 deletions experiment/pretest.json
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"version": 2.0,
"questions": [
{
"question": "What is the formula to calculate the time period of the monostable multivibrator.",
"question": "1. What is the formula to calculate the time period of the monostable multivibrator.",
"answers": {
"a": "T = 0.69 * (R<sub>A</sub> + R<sub>B</sub>) * C",
"b": "T = 0.69 * (R<sub>A</sub> + 2R<sub>B</sub>) * C",
Expand All @@ -14,7 +14,7 @@
"difficulty": "beginner"
},
{
"question": "When a capacitor charges:",
"question": "2. When a capacitor charges:",
"answers": {
"a": " the voltage across the plates rises exponentially",
"b": "the circuit current falls exponentially",
Expand All @@ -26,7 +26,7 @@
"difficulty": "beginner"
},
{
"question": "The ________ is defined as the time the output is active divided by the total period of the output signal.",
"question": "3. The ________ is defined as the time the output is active divided by the total period of the output signal.",
"answers": {
"a": "active ratio",
"b": "duty cycle",
Expand All @@ -38,7 +38,7 @@
"difficulty": "beginner"
},
{
"question": "A monostable 555 timer has the following number of stable states:",
"question": "4. A monostable 555 timer has the following number of stable states:",
"answers": {
"a": "0",
"b": "1",
Expand All @@ -50,7 +50,7 @@
"difficulty": "beginner"
},
{
"question": "What is the output pulse width of the waveform at the output of the circuit in the given figure? <br/><p style=\"text-align:center\"><img src=\"images/post_quiz1.png \" style=\"width:350px;height:200px\"></p>",
"question": "5. What is the output pulse width of the waveform at the output of the circuit in the given figure? <br/><p style=\"text-align:center\"><img src=\"images/post_quiz1.png \" style=\"width:350px;height:200px\"></p>",
"answers": {
"a": "1.65 ms",
"b": "18.2 ms",
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