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Electronic Devices Practice Test 3

# Feedback Oscillator Principles Quiz PDF: Questions and Answers - 3

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## Feedback Oscillator Principles Questions and Answers : Quiz 3

MCQ 11: voltage gain around the closed feedback loop of oscillator must equal to

1. 1
2. 0
3. −∞

MCQ 12: In a Darlington pair configuration, if emitter resistance is 560 Ω and input resistance is 8.75M Ω then AC current gain will be

1. 25
2. 125
3. 321
4. 345

MCQ 13: For an n-channel E-MOSFET with gate to source voltage equals to 2 V, gate to source voltage to conduct must exceeds

1. 1 V
2. 2 V
3. 4 V
4. 6 V

MCQ 14: A nominal Zener voltage is usually specified in datasheet of Zener diode at a value of reverse current called

1. bench current
2. Zener test current
3. Zener reverse current
4. floating current

MCQ 15: Because of insulated gate present in MOSFETs, these are also called

1. JFETs
2. IGFETs
3. CMOS
4. PMOS