Class 12 Exam  >  Class 12 Questions  >  Which of the following is true in case of an ... Start Learning for Free
Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction?
Verified Answer
Which of the following is true in case of an unbiased p-n junction dio...
In case of an unbiased p-n junction diode, option (D) is true: charges establish an electric field across the junction.
When a p-n junction diode is unbiased, it means that no voltage is applied across the diode. In this case, the concentration of electrons and holes in the p-type and n-type regions is not equal, and this creates a potential difference across the junction. This potential difference creates an electric field across the junction, which influences the movement of electrons and holes across the junction.
Option (A) is not true, because diffusion does take place in an unbiased p-n junction diode. Option (B) is also not true, because the diffusion of electrons and holes is limited by the electric field across the junction. Option (C) is not true because there is a potential difference across the junction due to the concentration gradient of electrons and holes.
This question is part of UPSC exam. View all Class 12 courses
Most Upvoted Answer
Which of the following is true in case of an unbiased p-n junction dio...
Takes place from the p-region to the n-region (C) Diffusion of electrons takes place from the n-region to the p-region (D) No current flows through the diode.
Explore Courses for Class 12 exam

Similar Class 12 Doubts

Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction?
Question Description
Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction?.
Solutions for Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
Here you can find the meaning of Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? defined & explained in the simplest way possible. Besides giving the explanation of Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction?, a detailed solution for Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? has been provided alongside types of Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? theory, EduRev gives you an ample number of questions to practice Which of the following is true in case of an unbiased p-n junction diode? (A) Diffusion does not take place (B) Diffusion of electrons & holes goes on infinitely (C)There is zero electrical potential across the junctions (D) Charges establish an electric field across the junction? tests, examples and also practice Class 12 tests.
Explore Courses for Class 12 exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev