p-n junction diode I-V characteristics
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See all →- In the given circuits (a), (b) and (c), the potential drop across the two p-n junctions are equal in : Answer: 1. Both circuits (a) and (c) Two diodes in series with a battery see the same current, so their voltage drops are equal when both ar... 1
- The increase in the width of the depletion region in a p-n junction diode is due to : Answer: 2. reverse bias only In reverse bias, the applied voltage adds to the barrier. Majority carriers are pulled away from the junction,... 1
- In a p-n junction diode, change in temperature due to heating Answer: 4. affects the overall V - I characteristics of p-n junction Heating changes the number of thermally generated electron-hole pairs,... 1
- Which one of the following represents forward bias diode ? Answer: 4. diode with 0 V on left, R, -2 V on right Key idea: a diode is forward biased when its p-side (the triangle base) is at higher pot... 1
- The given circuit has two ideal diodes connected as shown in the figure below. The current flowing through the resistance R_1 will be Answer: 4. 2.5 A An ideal diode conducts only when forward biased. From the figure, the battery drives current through R₁ and then to the tw... 1
- Consider the junction diode as ideal. The value of current flowing through AB is : Answer: 2. 10⁻² A Key idea: check whether the ideal diode is forward or reverse biased. A is at +4 V (on the p-side) and B at -6 V, so the d... 1