Tag: chemistry
Questions Related to chemistry
To get a $n-$type semiconductor from silicon, it should be doped with a substance with valence _______.
Statement-I The conductance through electrons is called n-type conduction and if through positive semi holes it is called p-type conduction.
Statement-II Doping involves the preparation of semiconductor by the addition of impurities in the intrinsic semiconductor.
Select the correct statement(s).
Assertion:
Reason:
Assertion: Group-$13$ doped crystals of Si are called p-type semiconductors.
Reason: Positive holes are responsible for the semiconducting properties.
Select the correct statement(s).
Very fast conduction of electricity by matter is called superconductivity. This happens when the matter is:
The newly discovered high-temperature superconductors are:
Germanium is an example of:
During hot sunny day, people sprinkle water on the roof because ______________.