Question
Download Solution PDFट्रान्झिस्टरचा उत्सर्जक प्रवाह 1 mA आहे. जर उत्सर्जित प्रवाह वाहकांपैकी 1% बेस रीकॉम्बिनेशनमध्ये गमावले तर β ची किंमत काय आहे? दिलेल्या पर्यायांमधून योग्य उत्तर ओळखा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
ट्रान्झिस्टरसाठी, बेस करंट, एमिटर करंट आणि कलेक्टर करंट असे संबंधित आहेत:
IE = IB + IC
जेथे IC = βdc IB
βdc = ट्रान्झिस्टरचा प्रवाह प्रवर्धनांक ज्याची व्याख्या खालीलप्रमाणे आहे:
\(β=\frac{I_C}{I_B}\)
β हा संग्राहक बाजूकडे उत्सर्जित प्रवाहाचा अंश आहे.
गणना:
समजा एमिटर करंट IE आहे.
उत्सर्जित प्रवाह वाहकांपैकी 1% बेस रीकॉम्बिनेशनमध्ये गमावले असल्याने, कलेक्टर करंट एमिटर करंटच्या 99% असेल, म्हणजे,
IC = 0.99 IE
आणि बेस करंट 1% असेल, म्हणजे 0.01 IE
∴ β असेल:
\(β=\frac{I_C}{I_B}=\frac{0.99I_E}{0.01I_E}\)
β = 99
Last updated on Jun 11, 2025
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