JEE Main & Advanced Physics Semiconducting Devices JEE PYQ-Semiconducting Devices

  • question_answer
    In an unbiased n-p Junction electrons diffuse from n - region to p - region because:          [JEE ONLINE 10-04-2015]

    A) only electrons move from n to p  holes in p- region and not the vice - versa

    B) holes in p - region attract them

    C) electrons travel across the junction due to potential difference

    D) electron concentration in n - region is more as compared to that in p-region

    Correct Answer: D

    Solution :

    [d] Electron concentration in n-region is more as compared to that in p-region.


You need to login to perform this action.
You will be redirected in 3 sec spinner