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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.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- A man throws balls with the same speed vertically upwards one after the other
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- The distance travelled by a particle starting from rest and moving
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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