| ⇦ | 
| ⇨ |
To obtain a p-type semiconductor, germanium must be doped with
Options
(a) Arsenic
(b) Antimony
(c) Indium
(d) Phosphorus
Correct Answer:
Indium
Explanation:
P-type semiconductor is obtained when Si or Ge (tetravalent) is doped with group-III trivalent inpurities like aluminium (Al), boron (B), indium (ln) etc.
Related Questions: - If vectors A=cos wti + sin wtj and B= cos wt/2 i + sin wt/2 j are functions of time,
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- Water drops fall from a top on the floor 5 m below at regular intervals
- A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- The potential difference applied to an X-ray tube is 5 kV and the current through it
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If vectors A=cos wti + sin wtj and B= cos wt/2 i + sin wt/2 j are functions of time,
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- Water drops fall from a top on the floor 5 m below at regular intervals
- A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- The potential difference applied to an X-ray tube is 5 kV and the current through it
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.
Share this page with your friends
Leave a Reply