| ⇦ | 
| ⇨ |
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 conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9 k
- In Young’s experiment, the ratio of maximum to minimum intensities of the fringe
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9 k
- In Young’s experiment, the ratio of maximum to minimum intensities of the fringe
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