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# (a) Calculate the value of V0 and I if the Si diode and the Ge diode start conducting at 0.7 V and 0.3 V respectively, in the given circuit.(b) If the Ge diode connection be reversed. What will be the new values of V0 and I?

Solution
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#### As in the given circuit,Voltage,V=12VResistance,R=5kΩ∴, current,I=12−0.35 kΩ=11.7 V5×103Ω=2.34mAOutput voltage V0=RI=(5×103)×(2.34×10−3)=11.7VWhen the connections of Ge diode are reversed, then current will bw through silicon.In this case, current,I=(12−0.7) V5×10−3Ω=2.26mA∴, Output voltage,V0=IR=(2.26×10−3)×(5×103)=11.3V

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