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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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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- Eight drops of a liquid of density ρ and each of radius a are falling through air
- Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel,
- Alternating current cannot be measured by D.C Ammeter because
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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