engineering physics MCQ #1864

A silicon diode is forward-biased with a voltage of 0.7 V. The current is 10 mA. The dynamic resistance is

engineering physics MCQ #1864

  1. Question 1

    Q1. A silicon diode is forward-biased with a voltage of 0.7 V. The current is 10 mA. The dynamic resistance is

    • A) 25 Ω
    • B) 2.5 Ω
    • C) 50 Ω
    • D) 5 Ω

    Answer: 2.5 Ω

    Explanation: Dynamic resistance = ηVt / I = 25 mV / 10 mA = 2.5 Ω.