Energy Gap MCQ with Answers PDF Download – Test 28

MCQ 136: At room temperature, energy gap of silicon is:

1. 0.5 eV
2. 0.72 eV
3. 1.72 eV
4. 1.5 eV

MCQ 137: Load regulation is equals to:

1. (voltage at no load - voltage at full load) x 100%
2. (voltage at no load - voltage at full load) / (voltage at full load) x 100%
3. (voltage at no load + voltage at full load) / (voltage at full load) x 100%
4. (voltage at no load) / (voltage at full load) x 100%

MCQ 138: If RMS voltage of fullwave bridge rectifier is 115 V then peak primary voltage is equals to:

1. 15.6 V
2. 163 V
3. 123 V
4. 453 V

MCQ 139: Collector feedback provides good stability using negative feedback from:

1. emitter to ground
2. collector to base
3. emitter to base
4. base to ground

MCQ 140: Output resistance of common base amplifier is:

1. high
2. low
3. zero
4. infinite