Energy Gap MCQ with Answers PDF Download – Test 28

At room temperature, energy gap of silicon is

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

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%

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

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

Output resistance of common base amplifier is

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