Q.1.
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on
Q.2.
Addition of pentavalent impurity to a semiconductor creates many
Q.3.
Addition of trivalent impurity to a semiconductor creates many
Q.4.
A semiconductor has ___________ temperature coefficient of resistance.
Q.5.
At room temperature, an intrinsic semiconductor has ___________
Q.6.
At absolute temperature, an intrinsic semiconductor has ___________
Q.7.
In an intrinsic semiconductor, the number of free electrons
Q.8.
An n-type semiconductor is
Q.9.
A reverse bias pn junction has ___________
Q.10.
A reverse bias pn junction has ___________
Q.11.
When a pure semiconductor is heated, its resistance ___________
Q.12.
The leakage current across a pn junction is due to ___________
Q.13.
The random motion of holes and free electrons due to thermal agitation is called ___________
Q.14.
A trivalent impurity has valence electrons
Q.15.
In the depletion region of a pn junction, there is a shortage of
Q.16.
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________
Q.17.
In a semiconductor, current conduction is due to
Q.18.
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on
Q.19.
The leakage current in a pn junction is of the order of
Q.20.
A semiconductor is formed by bonds.