MENU

If a small amount of antimony is added to germanium crystal

If A Small Amount Of Antimony Is Added To Germanium Physics Question

If a small amount of antimony is added to germanium crystal

Options

(a) it becomes a p-type semiconductor
(b) the antimony becomes an acceptor atom
(c) there will be more free electrons than holes in the semiconductor
(d) its resistance is increased

Correct Answer:

there will be more free electrons than holes in the semiconductor

Explanation:

When small amount of antimony (pentavalent) is added to germanium crystal then crystal becomes n-type semi condcutor. Therefore, there will be more free electron than holes in the semiconductor.

Related Questions:

  1. In an NPN transistor the collector current is 24 mA. If 80% of the electrons
  2. Dimensions formula for surface tension is
  3. The kinetic energy needed to project a body of mass m from the surface of earth
  4. When sound is produced in an aeroplane with a velocity of 200 m/s horizontally,
  5. A black body radiates 20 W at temperature 227⁰C. It temperature of the black body

Topics: Electronic Devices (124)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*