Types of Semi Conductors
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365588 A pure semiconductor has equal electron and hole concentration of \({10^{16}}{m^{ - 3}}.\) Doping by indium increases \({n_h}\) to \(4.5 \times {10^{22}}{m^{ - 3}}.\) What is \({n_e}\) in the doped semiconductor?

1 \({10^{22}}{m^{ - 3}}\)
2 \({10^6}{m^{ - 3}}\)
3 \(4.5 \times {10^{22}}{m^{ - 3}}\)
4 \(\frac{{{{10}^{32}}}}{{4.5 \times {{10}^{22}}}}{m^{ - 3}}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365589 In \(n\)-type semiconductors the electron concentration is equal to

1 Density of donor atoms
2 Density of acceptor atoms
3 Density of both type of atoms
4 Neither density of acceptor atoms nor density of donor atoms
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365590 A pure semiconductor has equal electron and hole concentration of \({10^{16}}\;{m^{ - 3}}\). Doping by indium increases \(n_{h}\) to \(5 \times {10^{22}}\;{m^{ - 3}}\). Then, the value \(n_{c}\) in the doped semiconductor is

1 \({10^6}{\rm{/}}{m^3}\)
2 \({10^{22}}{\rm{/}}{m^3}\)
3 \(2 \times {10^6}{\rm{/}}{m^3}\)
4 \(2 \times {10^9}{\rm{/}}{m^3}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365591 An \(n\)-type semiconductor has valence bond is 20\(meV\) below the conduction band. In a thermal collision, transferrable energy is \(KT\). The value of \(T\) for which electrons start to jump in conduction band is :

1 \(232\,K\)
2 \(348\,K\)
3 \(400\,K\)
4 \(600\,K\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365588 A pure semiconductor has equal electron and hole concentration of \({10^{16}}{m^{ - 3}}.\) Doping by indium increases \({n_h}\) to \(4.5 \times {10^{22}}{m^{ - 3}}.\) What is \({n_e}\) in the doped semiconductor?

1 \({10^{22}}{m^{ - 3}}\)
2 \({10^6}{m^{ - 3}}\)
3 \(4.5 \times {10^{22}}{m^{ - 3}}\)
4 \(\frac{{{{10}^{32}}}}{{4.5 \times {{10}^{22}}}}{m^{ - 3}}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365589 In \(n\)-type semiconductors the electron concentration is equal to

1 Density of donor atoms
2 Density of acceptor atoms
3 Density of both type of atoms
4 Neither density of acceptor atoms nor density of donor atoms
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365590 A pure semiconductor has equal electron and hole concentration of \({10^{16}}\;{m^{ - 3}}\). Doping by indium increases \(n_{h}\) to \(5 \times {10^{22}}\;{m^{ - 3}}\). Then, the value \(n_{c}\) in the doped semiconductor is

1 \({10^6}{\rm{/}}{m^3}\)
2 \({10^{22}}{\rm{/}}{m^3}\)
3 \(2 \times {10^6}{\rm{/}}{m^3}\)
4 \(2 \times {10^9}{\rm{/}}{m^3}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365591 An \(n\)-type semiconductor has valence bond is 20\(meV\) below the conduction band. In a thermal collision, transferrable energy is \(KT\). The value of \(T\) for which electrons start to jump in conduction band is :

1 \(232\,K\)
2 \(348\,K\)
3 \(400\,K\)
4 \(600\,K\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365588 A pure semiconductor has equal electron and hole concentration of \({10^{16}}{m^{ - 3}}.\) Doping by indium increases \({n_h}\) to \(4.5 \times {10^{22}}{m^{ - 3}}.\) What is \({n_e}\) in the doped semiconductor?

1 \({10^{22}}{m^{ - 3}}\)
2 \({10^6}{m^{ - 3}}\)
3 \(4.5 \times {10^{22}}{m^{ - 3}}\)
4 \(\frac{{{{10}^{32}}}}{{4.5 \times {{10}^{22}}}}{m^{ - 3}}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365589 In \(n\)-type semiconductors the electron concentration is equal to

1 Density of donor atoms
2 Density of acceptor atoms
3 Density of both type of atoms
4 Neither density of acceptor atoms nor density of donor atoms
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365590 A pure semiconductor has equal electron and hole concentration of \({10^{16}}\;{m^{ - 3}}\). Doping by indium increases \(n_{h}\) to \(5 \times {10^{22}}\;{m^{ - 3}}\). Then, the value \(n_{c}\) in the doped semiconductor is

1 \({10^6}{\rm{/}}{m^3}\)
2 \({10^{22}}{\rm{/}}{m^3}\)
3 \(2 \times {10^6}{\rm{/}}{m^3}\)
4 \(2 \times {10^9}{\rm{/}}{m^3}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365591 An \(n\)-type semiconductor has valence bond is 20\(meV\) below the conduction band. In a thermal collision, transferrable energy is \(KT\). The value of \(T\) for which electrons start to jump in conduction band is :

1 \(232\,K\)
2 \(348\,K\)
3 \(400\,K\)
4 \(600\,K\)
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365588 A pure semiconductor has equal electron and hole concentration of \({10^{16}}{m^{ - 3}}.\) Doping by indium increases \({n_h}\) to \(4.5 \times {10^{22}}{m^{ - 3}}.\) What is \({n_e}\) in the doped semiconductor?

1 \({10^{22}}{m^{ - 3}}\)
2 \({10^6}{m^{ - 3}}\)
3 \(4.5 \times {10^{22}}{m^{ - 3}}\)
4 \(\frac{{{{10}^{32}}}}{{4.5 \times {{10}^{22}}}}{m^{ - 3}}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365589 In \(n\)-type semiconductors the electron concentration is equal to

1 Density of donor atoms
2 Density of acceptor atoms
3 Density of both type of atoms
4 Neither density of acceptor atoms nor density of donor atoms
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365590 A pure semiconductor has equal electron and hole concentration of \({10^{16}}\;{m^{ - 3}}\). Doping by indium increases \(n_{h}\) to \(5 \times {10^{22}}\;{m^{ - 3}}\). Then, the value \(n_{c}\) in the doped semiconductor is

1 \({10^6}{\rm{/}}{m^3}\)
2 \({10^{22}}{\rm{/}}{m^3}\)
3 \(2 \times {10^6}{\rm{/}}{m^3}\)
4 \(2 \times {10^9}{\rm{/}}{m^3}\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365591 An \(n\)-type semiconductor has valence bond is 20\(meV\) below the conduction band. In a thermal collision, transferrable energy is \(KT\). The value of \(T\) for which electrons start to jump in conduction band is :

1 \(232\,K\)
2 \(348\,K\)
3 \(400\,K\)
4 \(600\,K\)