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

365562 In \(p\)-type semiconductor, conduction is due to

1 Greater number of holes and less number of electrons
2 Only electrons
3 Only holes
4 Greater number of electrons and less number of holes
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365563 In which of the following statements, the obtained impure semiconductor is of \(p\) - type?

1 Germanium is doped with bismuth
2 Silicon is doped with antimony
3 Germanium is doped with gallium
4 Silicon is doped with phosphorus
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365564 In semiconductor, the concentrations of electrons and holes are \(8 \times {10^{18}}\;{m^{ - 3}}\) and \(5 \times {10^{18}}\;{m^{ - 3}}\) respectively. If the mobilities of electrons and holes are \(2.3\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) and \(0.01\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) respectively, then semiconductor is

1 \(n - \)type and its resistivity is \(2.95\Omega - m\)
2 \(p - \)type and its resistivity is \(0.034\Omega - m\)
3 \(n - \)type and its resistivity is \(0.34\Omega - m\)
4 \(p - \)type and its resistivity is \(3.4\Omega - m\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365565 Would there be any advantage to add \(n\)-type or \(p\)-type impurities to copper?

1 Yes
2 No
3 May be
4 Information is insufficient
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365566 \(n\)-type semiconductor is

1 Negatively charged
2 Positively charged
3 Neutral
4 May be positive or negative
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365562 In \(p\)-type semiconductor, conduction is due to

1 Greater number of holes and less number of electrons
2 Only electrons
3 Only holes
4 Greater number of electrons and less number of holes
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365563 In which of the following statements, the obtained impure semiconductor is of \(p\) - type?

1 Germanium is doped with bismuth
2 Silicon is doped with antimony
3 Germanium is doped with gallium
4 Silicon is doped with phosphorus
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365564 In semiconductor, the concentrations of electrons and holes are \(8 \times {10^{18}}\;{m^{ - 3}}\) and \(5 \times {10^{18}}\;{m^{ - 3}}\) respectively. If the mobilities of electrons and holes are \(2.3\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) and \(0.01\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) respectively, then semiconductor is

1 \(n - \)type and its resistivity is \(2.95\Omega - m\)
2 \(p - \)type and its resistivity is \(0.034\Omega - m\)
3 \(n - \)type and its resistivity is \(0.34\Omega - m\)
4 \(p - \)type and its resistivity is \(3.4\Omega - m\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365565 Would there be any advantage to add \(n\)-type or \(p\)-type impurities to copper?

1 Yes
2 No
3 May be
4 Information is insufficient
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365566 \(n\)-type semiconductor is

1 Negatively charged
2 Positively charged
3 Neutral
4 May be positive or negative
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365562 In \(p\)-type semiconductor, conduction is due to

1 Greater number of holes and less number of electrons
2 Only electrons
3 Only holes
4 Greater number of electrons and less number of holes
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365563 In which of the following statements, the obtained impure semiconductor is of \(p\) - type?

1 Germanium is doped with bismuth
2 Silicon is doped with antimony
3 Germanium is doped with gallium
4 Silicon is doped with phosphorus
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365564 In semiconductor, the concentrations of electrons and holes are \(8 \times {10^{18}}\;{m^{ - 3}}\) and \(5 \times {10^{18}}\;{m^{ - 3}}\) respectively. If the mobilities of electrons and holes are \(2.3\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) and \(0.01\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) respectively, then semiconductor is

1 \(n - \)type and its resistivity is \(2.95\Omega - m\)
2 \(p - \)type and its resistivity is \(0.034\Omega - m\)
3 \(n - \)type and its resistivity is \(0.34\Omega - m\)
4 \(p - \)type and its resistivity is \(3.4\Omega - m\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365565 Would there be any advantage to add \(n\)-type or \(p\)-type impurities to copper?

1 Yes
2 No
3 May be
4 Information is insufficient
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365566 \(n\)-type semiconductor is

1 Negatively charged
2 Positively charged
3 Neutral
4 May be positive or negative
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365562 In \(p\)-type semiconductor, conduction is due to

1 Greater number of holes and less number of electrons
2 Only electrons
3 Only holes
4 Greater number of electrons and less number of holes
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365563 In which of the following statements, the obtained impure semiconductor is of \(p\) - type?

1 Germanium is doped with bismuth
2 Silicon is doped with antimony
3 Germanium is doped with gallium
4 Silicon is doped with phosphorus
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365564 In semiconductor, the concentrations of electrons and holes are \(8 \times {10^{18}}\;{m^{ - 3}}\) and \(5 \times {10^{18}}\;{m^{ - 3}}\) respectively. If the mobilities of electrons and holes are \(2.3\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) and \(0.01\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) respectively, then semiconductor is

1 \(n - \)type and its resistivity is \(2.95\Omega - m\)
2 \(p - \)type and its resistivity is \(0.034\Omega - m\)
3 \(n - \)type and its resistivity is \(0.34\Omega - m\)
4 \(p - \)type and its resistivity is \(3.4\Omega - m\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365565 Would there be any advantage to add \(n\)-type or \(p\)-type impurities to copper?

1 Yes
2 No
3 May be
4 Information is insufficient
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365566 \(n\)-type semiconductor is

1 Negatively charged
2 Positively charged
3 Neutral
4 May be positive or negative
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365562 In \(p\)-type semiconductor, conduction is due to

1 Greater number of holes and less number of electrons
2 Only electrons
3 Only holes
4 Greater number of electrons and less number of holes
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365563 In which of the following statements, the obtained impure semiconductor is of \(p\) - type?

1 Germanium is doped with bismuth
2 Silicon is doped with antimony
3 Germanium is doped with gallium
4 Silicon is doped with phosphorus
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365564 In semiconductor, the concentrations of electrons and holes are \(8 \times {10^{18}}\;{m^{ - 3}}\) and \(5 \times {10^{18}}\;{m^{ - 3}}\) respectively. If the mobilities of electrons and holes are \(2.3\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) and \(0.01\;{m^2}\;{V^{ - 1}}\;{s^{ - 1}}\) respectively, then semiconductor is

1 \(n - \)type and its resistivity is \(2.95\Omega - m\)
2 \(p - \)type and its resistivity is \(0.034\Omega - m\)
3 \(n - \)type and its resistivity is \(0.34\Omega - m\)
4 \(p - \)type and its resistivity is \(3.4\Omega - m\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365565 Would there be any advantage to add \(n\)-type or \(p\)-type impurities to copper?

1 Yes
2 No
3 May be
4 Information is insufficient
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365566 \(n\)-type semiconductor is

1 Negatively charged
2 Positively charged
3 Neutral
4 May be positive or negative