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In a common base amplifier the phase difference between the input signal voltage and the output voltage is
(a) In CB amplifier Input and output voltage signal are in same phase.
In NPN transistor the collector current is 10 mA. If 90% of electrons emitted reach the collector, then
(b) As 90% of the electrons reach the collector, then
90% of emitter current = 10 mA
emitter current =
In a transistor in CE configuration, the ratio of power gain to voltage gain is
(d) For CE configuration voltage gain
Power gain =
The following truth table corresponds to the logic gate
A 0 0 1 1
B 0 1 0 1
X 0 1 1 1
(b) For ‘OR’ gate X = A+B i.e. 0+0=0, 0+1=1, 1+0=1, 1+1=1
A truth table is given below. Which of the following has this type of truth table
A 0 1 0 1
B 0 0 1 1
y 1 0 0 0
(b) In 'NOR' gate , i.e.
Boolean algebra is essentially based on
(b) Boolean algebra is based on logic.
The logic behind ‘NOR’ gate is that it gives
(a) The Boolean expression for 'NOR' gate is
i.e. if A = B = 0 (Low), (High)
A logic gate is an electronic circuit which
(a)
A gate has the following truth table
P 1 1 0 0
Q 1 0 1 0
R 1 0 0 0
The gate is
(d) The Boolean expression for ‘AND’ gate is
What will be the input of A and B for the Boolean expression
(a) The given Boolean expression can be written as
|
A |
B |
Y |
|
0 |
0 |
1 |
|
1 |
0 |
0 |
|
0 |
1 |
0 |
|
1 |
1 |
0 |
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