Physics · Feedback Amplifiers
एक वोल्टेज-सीरीज फीडबैक एम्पलीफायर की आउटपुट प्रतिबाधा (output impedance) 10 Ω है। यदि मूल एम्पलीफायर का गेन (gain) 100 है और फीडबैक अंश (feedback fraction) 0.01 है, तो फीडबैक के बिना आउटपुट प्रतिबाधा क्या होगी?
- 125 Ω
- 235 Ω
- 330 Ω
- 420 Ω✓
सही उत्तर देखें
20 Ω
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