quiz scmitt triger

virtual-labs · Sep 25, 2024 · fe8f735 · fe8f735
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Showing 2 changed files with 12 additions and 12 deletions.
diff --git a/experiment/posttest.json b/experiment/posttest.json
@@ -2,7 +2,7 @@
   "version": 2.0,
   "questions": [
     {
-      "question": "The speed of operation of Schmitt trigger depends on",
+      "question": "1. The speed of operation of Schmitt trigger depends on",
       "answers": {
         "a": "op-amp gain",
         "b": "Supply voltage",
@@ -14,7 +14,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The feedback used in Schmitt trigger is",
+      "question": "2. The feedback used in Schmitt trigger is",
       "answers": {
         "a": "Degenerative",
         "b": "Regenerative",
@@ -26,7 +26,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The value of cross over at increasing or decreasing input are called",
+      "question": "3. The value of cross over at increasing or decreasing input are called",
       "answers": {
         "a": "Cut-off points",
         "b": "Saturation points",
@@ -38,7 +38,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The Schmitt trigger could also be used for",
+      "question": "4. The Schmitt trigger could also be used for",
       "answers": {
         "a": "Voltage level detection",
         "b": "Astable operation",
@@ -50,7 +50,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The Schmitt trigger could be used as",
+      "question": "5. The Schmitt trigger could be used as",
       "answers": {
         "a": "Voltage detector",
         "b": "Astable multivibrator",
@@ -62,7 +62,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The switching speed could be improved by using",
+      "question": "6. The switching speed could be improved by using",
       "answers": {
         "a": "Zener diode at output",
         "b": "Two Zener diode connected back to back at output",

diff --git a/experiment/pretest.json b/experiment/pretest.json
@@ -2,7 +2,7 @@
   "version": 2.0,
   "questions": [
     {
-      "question": "Schmitt trigger is an example of ------ circuit",
+      "question": "1. Schmitt trigger is an example of ------ circuit",
       "answers": {
         "a": "Amplifier",
         "b": "Oscillator",
@@ -14,7 +14,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "In Schmitt trigger circuit, op-amp switches between",
+      "question": "2. In Schmitt trigger circuit, op-amp switches between",
       "answers": {
         "a": "Cut-off and negative saturation",
         "b": "Negative and positive saturation",
@@ -26,7 +26,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "If the power supply voltage applied to the op-amp that has a open loop gain of 100db is ±20V, the op-amp saturation voltage is",
+      "question": "3. If the power supply voltage applied to the op-amp that has a open loop gain of 100db is ±20V, the op-amp saturation voltage is",
       "answers": {
         "a": "20mV",
         "b": "2mV",
@@ -38,7 +38,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The operation of a Schmitt trigger is similar to that of a",
+      "question": "4. The operation of a Schmitt trigger is similar to that of a",
       "answers": {
         "a": "Full wave rectifier",
         "b": "Series clipper",
@@ -50,7 +50,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The main application of Schmitt trigger is in",
+      "question": "5. The main application of Schmitt trigger is in",
       "answers": {
         "a": "Amplifiers",
         "b": "Oscillators",
@@ -62,7 +62,7 @@
       "difficulty": "beginner"
     },
     {
-      "question": "The speed of switching in the Schmitt trigger depends on",
+      "question": "6. The speed of switching in the Schmitt trigger depends on",
       "answers": {
         "a": "Open loop gain",
         "b": "Input resistor",