Semiconductor D...

Wires P and Q have the same resistance at ordinary (room) temperature. When heated, resistance of P increases and that of Q decreases. We conclude that

If the lattice constant of this semiconductor is decreased, then which of the following is correct?

In extrinsic P and N-type semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about

A hole in a P-type semiconductor is

In P-type semiconductor the majority and minority charge carriers are respectively

Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?

Electronic configuration of germanium is 2, 8, 18 and 4. To make it extrinsic semiconductor small quantity of antimony is added

A semiconductor is cooled from T₁K to T₂K. Its resistance

If N_p and N_e be the numbers of holes and conduction electrons in an extrinsic semiconductor, then

The energy gap between conduction band and the valence band is of the order of 0.7eV. Then, it is