Comparison between the resistance of p-n junction diode connected forward bias and reverse bias.
Answer to Problem 10Q
Solution:The resistance offered by the reverse-biased p-n junction diode is very large compared to the forward-biased diode.
Explanation of Solution
When forward-biased voltage is supplied to the p-n junction diode, the width of the depletion regiondecreases. However, the depletion region cannot vanish completely. There will be a thin depletion region or depletion layer in the forward-biased diode. Therefore, a thin depletion region and atoms in the diode offer some resistance to
In a reverse-biased diode, only a small amount of electric current flows. The minority carriers present in the diode carry this electric current. Thus, reverse-biased diode offers large resistance to the electric current. This resistance is called reverse resistance.
The resistance offered by the reverse-biased p-n junction diode is very large compared to the forward-biased diode.
Conclusion:The resistance offered by the reverse-biased p-n junction diode is very large compared to the forward-biased diode.
Chapter 29 Solutions
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