Consider a silicon diode with η=1.2. Find the change in voltage if the current changes from 0.1mA to 10mA.(a) 0.154V(b) 0.143V(c) 0.123V(d) 0.165VThe question was posed to me during an interview for a job.Enquiry is from Characteristic Equation of Diode-1 in portion Diode Circuit of Analog Circuits

Consider a silicon diode with η=1.2. Find the change in voltage if th

1.	Consider a silicon diode with η=1.2. Find the change in voltage if the current changes from 0.1mA to 10mA.(a) 0.154V(b) 0.143V(c) 0.123V(d) 0.165VThe question was posed to me during an interview for a job.Enquiry is from Characteristic Equation of Diode-1 in portion Diode Circuit of Analog Circuits
Answer» Correct answer is (b) 0.143V The best I can EXPLAIN: Equation for diode current I=I0×(e^(V/ηVT)-1)where I0 = reverse SATURATION current η = ideality factor VT = thermal voltage V = APPLIED voltage η = 1.2, I2 = 10mA, I1 = 0.1mA and take VT = 0.026V

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