| ⇦ | 
| ⇨ |
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations of 1.5×10⁺¹⁶ m⁻³. Dopping by indium, nh increases to 3×10²² m⁻³. What is nₑ in doped Si?
Options
(a) 2.5×10⁹ m⁻³
(b) 5.5×10⁹ m⁻³
(c) 7.5×10⁹ m⁻³
(d) 6×10⁷ m⁻³
Correct Answer:
7.5×10⁹ m⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
- Volume of gas becomes four times if temperature becomes
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A long straight wire is carrying a current of 12 A. The magnetic field at a distance
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
- Volume of gas becomes four times if temperature becomes
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A long straight wire is carrying a current of 12 A. The magnetic field at a distance
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
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