Semiconductor Materials » Exercise - 124. When a semiconductor is heavily doped in a range of 1017 to 1018 impurity atoms/cm3, then it behaves as : (a) Intrinsic semiconductor (b) Extrinsic semiconductor (c) Simply as semiconductor (d) Degenerative semiconductor
Semiconductor Materials » Exercise - 4173. When the conductivity of semiconductor is only due to the breaking of the covalent bands, the semiconductor is - (a) An intrinsic semiconductor (b) A p- type semiconductor (c) A n- type semiconductor (d) an extrinsic semiconductor
Semiconductor Materials » Exercise - 144. At room temperature in intrinsic germanium, there is about : (a) One free electron for every 109atoms (b) One free electron for every 1010 atoms (c) One free electron for every 1012 atoms (d) One free electron for every 1015 atoms
Semiconductor Materials » Exercise - 272. When a free electron is recaptured by a hole, the process is called : (a) Diffusion (b) Restoration (c) Recombination (d) Drift