एक गैर-प्रतिलोमी OPAMP में, यदि R1 = 20 K ओम और Rf = 200 K ओम है, तो प्रवर्धक लब्धि का मान ज्ञात कीजिए।

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MPPKVVCL Jabalpur JE Electrical 16 August 2018 Official Paper
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  1. 11
  2. 10
  3. 1.1
  4. 100

Answer (Detailed Solution Below)

Option 1 : 11
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सही उत्तर विकल्प 1 है):(11)

संकल्पना:

एक गैर-प्रतिलोमी OPAMP में,

F1 S.B Shubham 02.06.20 D 15

एक गैर-प्रतिलोमी प्रवर्धक की वोल्टता लब्धि को निम्न के द्वारा दिया गया है-

Av=1+R2R1

चूंकि लब्धि का मान सदैव धनात्मक ही होता है।

इसे गैर- प्रतिलोमी प्रवर्धक कहा जाता है। हम यह भी देख सकते हैं कि एक गैर-प्रतिलोमी प्रवर्धक के लिए लब्धि का मान सदैव 1 से अधिक होता है।

गणना: 

R= 20 kΩ और R2 = 200 kΩ

वोल्टता लब्धि 

Av=1+R2R1

AV = 1 + 20020

= 11 

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