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CBSE Class 12-science Answered

semi conductor
Asked by Abhishek | 23 Mar, 2023, 20:37: PM
answered-by-expert Expert Answer
A semiconductor is a material which has an electrical conductivity value falling between that of a conductor and an insulator. 
A semiconductor diode is a two terminal device. It is basically a p–n junction with metallic contactsprovided at the ends for the application of an external voltage. 
Answered by Shiwani Sawant | 24 Mar, 2023, 09:21: AM
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CBSE 12-science - Physics
semi conductor
Asked by Abhishek | 23 Mar, 2023, 20:37: PM
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CBSE 12-science - Physics
Draw a graph indicating the variation of resistivity of a semiconductor with temperature
Asked by Ramvikassv | 14 May, 2021, 23:14: PM
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CBSE 12-science - Physics
Why do conductors not form holes?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
How does the addition of trivalent impurity to a pure semiconductor affect the electron hole pairs at room temperature?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
For the same degree of doping, why is the conductivity of n-type semiconductor greater than that of p-type semiconductor?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
Why is a semiconductor virtually an insulator at room temperature?
Asked by Topperlearning User | 17 Jun, 2014, 15:32: PM
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CBSE 12-science - Physics
Why are germanium and silicon preferred to other semiconductors in solid state devices?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
Why are n-type and p-type semiconductor electrically neutral?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
Why do hole carriers present in n-type semiconductor?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Physics
Why is the amount of impurity added to a pure semiconductor closely controlled?
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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