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Electronic Devices Practice Test 28

# Energy Gap MCQ Questions and Answers PDF - 28

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The MCQ Quiz At room temperature, energy gap of silicon is: 0.72 ev, 0.5 ev, 1.72 ev and 1.5 ev with "Energy Gap" App APK Download (Free) for online engineering schools. Study semiconductor basics questions and answers, Apple Book to download free sample for online undergraduate engineering schools.

## Energy Gap MCQ with Answers : Quiz 28

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

A) 0.5 eV
B) 0.72 eV
C) 1.72 eV
D) 1.5 eV

MCQ 137: Load regulation is equals to

A) (voltage at no load - voltage at full load) x 100%
B) (voltage at no load - voltage at full load) / (voltage at full load) x 100%
C) (voltage at no load + voltage at full load) / (voltage at full load) x 100%
D) (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

A) 15.6 V
B) 163 V
C) 123 V
D) 453 V

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

A) emitter to ground
B) collector to base
C) emitter to base
D) base to ground

MCQ 140: Output resistance of common base amplifier is

A) high
B) low
C) zero
D) infinite

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