The donor atoms have energy level

Draw energy band diagrams of n-type and p-type semiconductors at temperature T > O K. Mark the donor and acceptor energy levels with their energies.

The radius of certain orbit of H-atom is 2.12 A. Then the energy of that energy level is

The donor energy level is close to the _____________band in n type semiconductor

Which energy level in Li^(2+) has same energy as the fourth energy level of hydrogen atom?

The energy bands in solid correspond to the energy levels in an atom. Because,___

In Si-crystal, impurity donor atom have valency