In semi-conductor, the carriers of current at room temper...
In semi-conductor, the carriers of current at room temperature are
electrons only
electrons and holes
holes only
electron and ions
Correct answer is B
Electron and holes represents the negative and positive charge respectively.
The derived unit of pressure can be expressed as ...
The image of an optical pin placed at the principal focus of a concave mirror will be formed ...
What is the least possible error encountered when taking measurement with a meter rule? ...
The particle that is responsible for the nuclear fission in a nuclear reactor is...