AIPMT 2015 Cancelled Paper | Semiconductor Electronics Question 46 | Physics

The barrier potential of a p-n junction depends on
(1)   type of semiconductor material
(2)   amount of doping

(3)   temperature

Which one of the following is correct ?

(1) and (2) only

(2) only

(2) and (3) only

(1), (2) and (3)

AIPMT 2014

MCQ (Single Correct Answer)

-1

The given graph represents V-I characteristic for a semiconductor device.

AIPMT 2014 Physics - Semiconductor Electronics Question 100 English

Which of the following statement is correct ?

It is V-I characteristic for solar cell where, point A represents open circuit voltage and point B short circuit current.

It is for a solar cell and popints A and B represent open circuit voltage and current, respectively.

It is for a photodiode and points A and B represent open circuit voltage and current, respectively.

It is for a LED and points A and B represent open circuit voltage and short circuit current, respectively.

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

One way in which the operation of a n-p-n transistor differs from that of a p-n-p

The emitter junction injects minority carries into the base region of the p-n-p

The emitter injects holes into the base of the p-n-p and electrons into the base region of n-p-n

The emitter injects holes into the base of n-p-n

The emitter junction is reversed biased in n-p-n

Previous Next

NEET Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution