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Ge is doped with As. Due to doping,
An n-type semiconducting Si is obtained by doping intrinsic Si with :
When a p-n junction diode is subjected to reverse biasing :
Si is doped with a pentavalent element. The energy required to set the additional electron free is about :
Draw the circuit diagrams for obtaining the V – I characteristics of a p-n junction diode. Explain briefly the salient features of the V – I characteristics in (i) forward biasing, and (ii) reverse biasing.
On the basis of energy band diagrams, distinguish between (i) an insulator, (ii) a semiconductor, and (iii) a conductor.
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