The electrical conductivity of semiconductors can be increased by:
- ADecreasing the temperature
- BAdding impurities (Doping)
- CPurification
- DNone of the above
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Similar Questions
Write the uses of $n$-type and $p$-type semiconductors.
Medium
View SolutionWhich of the following dopant is used in silicon to produce $p$-type semiconductor?
Match items of List-$I$ with those of List-$II$ :
List-$I$ (Property) List-$II$ (Example) $a$. Diamagnetism $i$. $MnO$ $b$. Ferrimagnetism $ii$. $O_{2}$ $c$. Paramagnetism $iii$. $NaCl$ $d$. Antiferromagnetism $iv$. $Fe_{3}O_{4}$
Choose the most appropriate answer from the options given below:
| List-$I$ (Property) | List-$II$ (Example) |
| $a$. Diamagnetism | $i$. $MnO$ |
| $b$. Ferrimagnetism | $ii$. $O_{2}$ |
| $c$. Paramagnetism | $iii$. $NaCl$ |
| $d$. Antiferromagnetism | $iv$. $Fe_{3}O_{4}$ |
Choose the most appropriate answer from the options given below:
DifficultJEE MAIN 2021
View SolutionWhich of the following arrangements shows the schematic alignment of magnetic moments of an antiferromagnetic substance?
Which from the following dopants is used in germanium to produce $p-$type semiconductor?
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