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The V-I characteristics of silicon diode is shown in Fig. Calculate the diode resistance inforward bias at V=+0.9Vreverse bias V=-3.0V. |
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Answer» SOLUTION :In forward characteristic for VOLTAGE `V=+0.9V` `DeltaV=DE=1.0-0.80=0.2V, DeltaI=CE=10-6=4mA` `:.` Forward resistance, `R_(f)=(DeltaV)/(DeltaI)=(0.2V)/(4mA)=50OMEGA` in reverse characteristics for voltage `V=-3V ,DeltaV=-2-(-4)=2V, DeltaI=3-2=1muA` `:.` Reverse resistance, `R_(r)=(DeltaV)/(DeltaI)=(2V)/(1muA)=2xx10^(6)Omega` |
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