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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.
Related Questions: - The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
- Which of the following is true for number of spectral lines in going from Lyman series
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
- The speed of light in media M₁ and M₂ are 1.5×10⁸ ms⁻¹ and 2×10⁸ ms⁻¹ respectively.
- In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
- Which of the following is true for number of spectral lines in going from Lyman series
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
- The speed of light in media M₁ and M₂ are 1.5×10⁸ ms⁻¹ and 2×10⁸ ms⁻¹ respectively.
- In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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