| ⇦ | 
| ⇨ |
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: - In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- If both the resistance and the inductance in an LR AC series circuit are doubled
- Time period of the rotation of the earth about its own axis is 24 hour
- Current flows in semi-conductors through
- An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- If both the resistance and the inductance in an LR AC series circuit are doubled
- Time period of the rotation of the earth about its own axis is 24 hour
- Current flows in semi-conductors through
- An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object
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