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  4. The ratio of forward biased to reverse biased resistance for p-n junction diode is

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Q. The ratio of forward biased to reverse biased resistance for p-n junction diode is

CMC MedicalCMC Medical 2013

Solution:

Appears resistance ofp-n junction in forward biased $ {{R}_{f}}={{10}^{2}}\Omega . $ Appears resistance ofp-n junction in reverse bias $ {{R}_{r}}-{{10}^{6}}\Omega $ $ \frac{{{R}_{f}}}{{{R}_{r}}}=\frac{{{10}^{2}}}{{{10}^{6}}}={{10}^{-4}} $ $ {{R}_{f}}:{{R}_{r}}={{10}^{-4}}:1 $