Practicing Success
Practicing Success
CUET Preparation Today
n-type semiconductor has a large number of electrons. Yet it is electrically neutral. How ? |
It has equal number of holes It has equal number of protons It has equal number of kernels. It is not electrically neutral. |
It has equal number of kernels. |
| As the impurity atoms take the position of Ge atom in germanium crystal, its four electrons form covalent bonds by sharing electrons with the neighbouring four atoms of germanium whereas the fifth electron is left free. Since the atom on the whole is electrically neutral, the n−type semiconductor is also neutral. |
