The transfer ratio β of a transistor is 50. The input resistance of the transistor when used in the common emitter configuration is 1kΩ. The peak value of the collector AC current for an AC input voltage of 0.01V peak is
100 μA
0.01 mA
0.25 mA
500 μA
The following truth table belongs to which of the following four gates?
NOR
XOR
NAND
OR
Sodium has body centred packing. If the distance between two nearest atoms is 3.7 Å, then the lattice parameter is
3.3 Å
3.9 Å
4.3 Å
4.8 Å
The correct relationship between the two current gains and in a transistor is
Radio waves of constant amplitude can be generated with
FET
filter
rectifier
oscillator
In a junction diode, the holes are due to
protons
extra electrons
neutrons
missing electrons
When n-type semiconductor is heated
number of electrons increases while that of holes decreases
number of electrons and holes remain same
number of electrons and holes increases equally
Sodium has body centred packing. Distance between two nearest atoms is 3.7Å. The lattice parameter is
6.8Å
4.3Å
3.0Å
8.6Å
emitter
base
collector
Any of the above depending upon the nature of transistor.
Which of the following when added as an impurity into silicon produces n-type semiconductor?
P
Al
B
Mg
