P-N Junction Diode and its applications: Practice Problem & Solution
The approximate ratio of resistances in the forward and reverse bias of the PN-junction diode is :
Solution Explained:
To solve this problem, we apply the core principles of P-N Junction Diode and its applications. Understanding the underlying formula is key to arriving at the correct answer below:
Forward resistance of a diode is very small (\(approx 10\Omega\)), while its reverse resistance is extremely high (\(approx 10^5 \Omega\)). The ratio \(R_f / R_r\) is of the order of \(10^{-4}\), which corresponds to \(1 : 10^4\).
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