The following truth table belongs to which of the following four gates?
NOR
XOR
NAND
OR
Diamond is very hard because
it is covalent solid
it has large cohesive energy
high melting point
insoluble in all solvants
Calculate the current flow through the circuit ?
At absolute zero, Si acts as
non-metal
metal
insulator
None of these
The correct relationship between the two current gains and in a transistor is
Transistors are
electrons - sensitive device
pressure - sensitive device
holes - sensitive device
temperature - sensitive device
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
To obtain a p-type germanium semiconductor, it must be doped with
phosphorus
indium
antimony
arsenic
