Question
Download Solution PDFपुनर्जननात्मक प्रक्रिया जिथे कलेक्टर जंक्शन तापमान कलेक्टर विद्युत प्रवाह वाढवते आणि त्याउलट _______ म्हणतात.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFयोग्य पर्याय 4 आहे.
संकल्पना:
- औष्णिक रनअवे अशी परिस्थिती आहे ज्यामध्ये तापमानात वाढ झाल्यामुळे परिस्थिती बदलते ज्यामुळे तापमान आणखी वाढू शकते.
- अल्पसंख्याक प्रवाह हे ट्रान्झिस्टरच्या जंक्शन तापमानाचे कार्य आहे.
- जंक्शन तापमान वाढते म्हणून, अल्पसंख्याक प्रवाह देखील वाढतो.
- BJT मध्ये कलेक्टर विद्युत प्रवाह खूप उष्णता पसरवतो, तापमानातील या वाढीमुळे कलेक्टरपासून बेसकडे अल्पसंख्याक वाहकांचा प्रवाह वाढतो आणि कलेक्टर विद्युत प्रवाह आणखी वाढतो.
- कलेक्टर विद्युत प्रवाहामधील ही वाढ तापमान आणखी वाढवते, अशा प्रकारे BJT च्या बर्नआउटमध्ये औष्णिक रनअवे होतो.
Last updated on Jul 19, 2025
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