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The V-I characteristic of a silicon diod...

The V-I characteristic of a silicon diode is shown in the Fig. 14.17. Calculate the resistance of the diode at (a) `I_(D) = 15 mA" and "(b) V_(D) = –10 V`.

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`(a)r=(DeltaV)/(Deltal)=((0.8-0.7))/((20-10)mA)=10 Omega`
(b)`r="10V"/(1 mu A)=10^7 Omega`
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