1.

Calculate the thermal voltage when the temperature is 25°C.(a) 0V(b) 0V(c) 0.026V(d) 0.25VI have been asked this question in final exam.Enquiry is from Characteristic Equation of Diode-1 in portion Diode Circuit of Analog Circuits

Answer»

Correct CHOICE is (b) 0V

Explanation: THERMAL VOLTAGE VT is given by k T/q

Where k is the boltzman constant and q is the charge of ELECTRON. This can be reduced to

VT = TK/11600

Therefore, VT = 298.15/11600 = 0.0257V.



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