Merge pull request #4 from virtual-labs/dev

exp 6 vhv
virtual-labs · Feb 13, 2025 · 8d7e441 · 8d7e441
2 parents 1a3712f + ae4ec8d
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diff --git a/experiment/posttest.json b/experiment/posttest.json
@@ -2,38 +2,41 @@
   "version": 2.0,
   "questions": [
     {
-      "question": "This is a Sample Question 1?",
+      "question": "What is the main application of a Rectangular Pulse Current Generator?",
       "answers": {
-        "a": "answer1",
-        "b": "answer2",
-        "c": "answer3",
-        "d": "answer4"
+        "a": "High-frequency radio transmission",
+        "b": "Power supply regulation",
+        "c": "Testing electronic components and biomedical applications",
+        "d": "AC motor control"
       },
-      "explanations": {
-        "a": "Explanation 1  <a href='www.google.com'>here</a>",
-        "b": "Explanation 2",
-        "c": "Explanation 2",
-        "d": "Explanation 2"
-      },
-      "correctAnswer": "a",
+
+      "correctAnswer": "c",
       "difficulty": "beginner"
     },
     {
-      "question": "This is a Sample Question 2?",
+      "question": "In a Rectangular Pulse Current Generator, what determines the repetition rate of the pulses?",
       "answers": {
-        "a": "answer1",
-        "b": "answer2",
-        "c": "answer3",
-        "d": "answer4"
+        "a": "The supply voltage",
+        "b": "The clock frequency or timing circuit",
+        "c": "The number of transistors used",
+        "d": "The resistance of the circuit"
       },
-      "explanations": {
-        "a": "Explanation 1  <a href='www.google.com'>here</a>",
-        "b": "Explanation 2",
-        "c": "Explanation 2",
-        "d": "Explanation 2"
+
+      "correctAnswer": "b",
+      "difficulty": "beginner"
+    },
+    {
+      "question": "What waveform is typically observed at the output of a Rectangular Pulse Current Generator?",
+      "answers": {
+        "a": "Sine wave",
+        "b": "Triangular wave",
+        "c": "Square wave",
+        "d": "Exponential wave"
       },
+
       "correctAnswer": "c",
       "difficulty": "beginner"
     }
+
   ]
 }
diff --git a/experiment/pretest.json b/experiment/pretest.json
@@ -2,36 +2,38 @@
   "version": 2.0,
   "questions": [
     {
-      "question": "This is a Sample Question 1?",
+      "question": "What is the primary function of a Rectangular Pulse Current Generator?",
       "answers": {
-        "a": "answer1",
-        "b": "answer2",
-        "c": "answer3",
-        "d": "answer4"
+        "a": "To generate sinusoidal signals",
+        "b": "To provide a constant DC voltage",
+        "c": "To produce rectangular current pulses for testing applications",
+        "d": "To amplify weak signals"
       },
-      "explanations": {
-        "a": "Explanation 1  <a href='www.google.com'>here</a>",
-        "b": "Explanation 2",
-        "c": "Explanation 2",
-        "d": "Explanation 2"
-      },
-      "correctAnswer": "a",
+
+      "correctAnswer": "c",
       "difficulty": "beginner"
     },
     {
-      "question": "This is a Sample Question 2?",
+      "question": "Which component is crucial for shaping the pulse in a Rectangular Pulse Current Generator?",
       "answers": {
-        "a": "answer1",
-        "b": "answer2",
-        "c": "answer3",
-        "d": "answer4"
+        "a": "Resistor",
+        "b": "Capacitor",
+        "c": "Inductor",
+        "d": "Transistor"
       },
-      "explanations": {
-        "a": "Explanation 1  <a href='www.google.com'>here</a>",
-        "b": "Explanation 2",
-        "c": "Explanation 2",
-        "d": "Explanation 2"
+
+      "correctAnswer": "d",
+      "difficulty": "beginner"
+    },
+    {
+      "question": "The pulse width of a Rectangular Pulse Current Generator is primarily controlled by:",
+      "answers": {
+        "a": "The amplitude of the input signal",
+        "b": "The capacitance of the circuit",
+        "c": "The time constant of the circuit components",
+        "d": "The type of power supply used"
       },
+
       "correctAnswer": "c",
       "difficulty": "beginner"
     }