A reverse biased PN junction will act as a/ana.Attenuatorb.Amplifierc.Closed switchd.Open switch
Question
A reverse biased PN junction will act as a/ana.Attenuatorb.Amplifierc.Closed switchd.Open switch
Solution
A reverse biased PN junction will act as an open switch.
Here's why:
In a reverse biased PN junction, the p-side is connected to the negative terminal of the battery and the n-side is connected to the positive terminal. This increases the barrier potential and widens the depletion layer, which prevents the majority charge carriers from crossing the junction. As a result, the circuit is essentially open, and no current flows through it. Hence, a reverse biased PN junction acts as an open switch.
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