A semiconductor is formed by ……… bonds.

A semiconductor has ………… temperature coefficient of resistance.

When a pure semiconductor is heated, its resistance…………

When a pentavalent impurity is added to a pure semiconductor, it becomes ………

Addition of trivalent impurity to a semiconductor creates many ……

As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ………

The random motion of holes and free electrons due to thermal agitation is called ……….

The battery connections required to forward bias a pn junction are ……

In the depletion region of a pn junction, there is a shortage of …….

The leakage current across a pn junction is due to…………

With forward bias to a pn junction , the width of depletion layer ………

At room temperature, an intrinsic semiconductor has ……….

A Zener diode has ………..