MHT CET 2022 Physics question

Not in JEE Advanced syllabus

In a forward bias arrangement of a p-n junction diode, the

(A)p – region is connected to the positive terminal of batteryCorrect
(B)n – region is connected to the positive terminal of battery
(C)p – region is connected to negative terminal of the battery.
(D)direction of conventional current is from n – region to p – region in the diode

Answer: (A)

Solution

In forward bias the external battery opposes the built-in barrier potential: the p-region (anode) is connected to the positive terminal and the n-region (cathode) to the negative terminal. This narrows the depletion layer and lets the majority carriers cross the junction. Statement

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Question ID VK-093620