Que.51 Which one of the following statements is correct?
- (a) For insulators the band-gap is narrow as compared to semiconductors
- (b) For insulators the band-gap is relatively wide whereas for semiconductors it is narrow
- (c) The band-gap is narrow in width for both the insulators and conductors
- (d) The band-gap is equally wide for both conductors and semiconductors
Que.52 In an extrinsic semiconductor the conductivity significantly depends upon
- (a) Majority charge carriers generated due to impurity doping
- (b) Minority charge carriers generated due to thermal agitation
- (c) Majority charge carriers generated due to thermal agitation
- (d) Minority charge carriers generated due to impurity doping
Que.53 The electrical conductivity of a pure semiconductor is
- (a) Proportional to temperature
- (b) Increases exponentially with temperature
- (c) Decreases exponentially with temperature
- (d) Not altered with temperature
I was extremely pleased to discover this great site. I want to thank you for one’s time just for this wonderful read!! I definitely liked every little bit of it and I also have you bookmarked to look at new information in your blog.