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Electronic Devices question

2025 · 4 Apr · Shift 2 · Q69
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Electronic Devices question

2025 · 4 Apr · Shift 2 · Q69

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
Consider a n-type semiconductor in which ne\mathrm{n}_{\mathrm{e}}ne​ and nh\mathrm{n}_{\mathrm{h}}nh​ are number of electrons and holes, respectively. (A) Holes are minority carriers (B) The dopant is a pentavalent atom (C) nenheqni2\mathrm{n}_{\mathrm{e}} \mathrm{n}_{\mathrm{h}} eq \mathrm{n}_i^2ne​nh​eqni2​(where ni\mathrm{n}_ini​ is number of electrons or holes in semiconductor when it is intrinsic form) (D) nenh⩾ni2\mathrm{n}_{\mathrm{e}} \mathrm{n}_{\mathrm{h}} \geqslant \mathrm{n}_i^2ne​nh​⩾ni2​ (E) The holes are not generated due to the donors Choose the correct answer from the options given below :
  1. A
    (A), (B), (E) only
  2. B
    (A), (C), (E) only
  3. C
    (A), (B), (C) only
  4. D
    (A), (C), (D) only
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