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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.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the earth shrink such that its mass does not change but radius decreases to one
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- The mean free path of electrons in a metal is 4 x 10⁻⁸ m. The electric field
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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