1. Emitter follower is a ___________ circuit A. Voltage feedback B. Current feedback C. Both voltage and current feedback D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
2. A feedback circuit usually employs ___________ network A. Resistive B. Capacitive C. Inductive D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
3. The gain of an amplifier with feedback is known as ___________ gain A. Resonant B. Open loop C. Closed loop D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
4. An emitter follower has ___________ input impedance A. Zero B. Low C. High D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
5. When negative voltage feedback is applied to an amplifier, its voltage gain ___________ A. Is increased B. Is reduced C. Remains the same D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
6. When a negative voltage feedback is applied to an amplifier, its bandwidth___________ A. Is increased B. Is decreased C. Remains the same D. Insufficient data Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
7. If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is ___________ A. 10 B. 11 C. 1 D. 15 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
8. The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become ___________ A. 5 db B. 300 db C. 103 db D. 97 db Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
9. The voltage gain of an emitter follower is ___________ A. Much less than 1 B. Approximately equal to 1 C. Greater than 1 D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
10. The output impedance of an emitter follower is ___________ A. High B. Very high C. Almost zero D. Low Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
