একটি ধনাত্মক বিক্রিয়া বর্তনী সহ একটি পরিবর্ধক ____ ঘটায়।

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. ব্যান্ডউইথ স্থিতিশীল করতে
  2. স্থিতিশীল করার জন্য একটি পরিবর্ধক লাভ
  3. ব্যান্ডউইথ হ্রাস করতে
  4. ব্যান্ডউইথ বৃদ্ধি করতে

Answer (Detailed Solution Below)

Option 3 : ব্যান্ডউইথ হ্রাস করতে
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Detailed Solution

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ধনাত্মক বিক্রিয়া

বিক্রিয়ার গঠন নীচে দেখানো হয়েছে

  • ধনাত্মক বিক্রিয়াতে, অর্জন বৃদ্ধি পায় এবং ব্যান্ডউইথ হ্রাস পায়।
  • ধনাত্মক বিক্রিয়াতে, ত্রুটিটিও ভিন্ন হয়।
  • একে "রিজেনারেটিভ সার্কিট"ও বলা হয়।

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