engineering physics MCQ #5234

A semiconductor has an energy gap of 1 eV. At what temperature will the intrinsic carrier concentration be 10^16 m^(-3)?

engineering physics MCQ #5234

  1. Question 1

    Q1. A semiconductor has an energy gap of 1 eV. At what temperature will the intrinsic carrier concentration be 10^16 m^(-3)?

    • A) 300 K
    • B) 400 K
    • C) 500 K
    • D) 600 K

    Answer: 500 K

    Explanation: Using n_i = √(N_c * N_v) * exp(-E_g / (2kT)), we can find T for given n_i.