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JEE PYQ: Semiconductors Question 40

Question 40 - 2019 (09 Jan 2019 Shift 2)

Ge and Si diodes start conducting at 0.3 V and 0.7 V respectively. If Ge diode connection are reversed, the value of $V_0$ changes by:

(1) 0.8 V

(2) 0.6 V

(3) 0.2 V

(4) 0.4 V

Show Answer

Answer: (4)

Solution

Initially $V_o = 12 - 0.3 = 11.7$ V (Ge conducts). After reversal $V_o = 12 - 0.7 = 11.3$ V (Si conducts). Change $= 0.4$ V.


Learning Progress: Step 40 of 46 in this series