Related Questions

If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be
A $$\frac{{\text{X}}}{{\text{Y}}}$$
B X × Y
C X + Y
D X - Y
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be ___________
A High
B Very high
C Moderate
D Low
When negative voltage feedback is applied to an amplifier, its voltage gain ___________
A Is increased
B Is reduced
C Remains the same
D None of the above
In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________
A RC + RL
B RC || RL
C RL
D RC
The value of collector load RC in a transistor amplifier is ___________ the output impedance of the transistor.
A The same as
B Less than
C More than
D None of the above
The gain of an amplifier with feedback is known as ___________ gain
A Resonant
B Open loop
C Closed loop
D None of the above
In an RC coupled amplifier, the voltage gain over mid-frequency range ___________
A Changes abruptly with frequency
B Is constant
C Changes uniformly with frequency
D None of the above
The voltage gain of a tuned amplifier is ___________ at resonant frequency
A Minimum
B Maximum
C Half-way between maximum and minimum
D Zero
Generally, the gain of a transistor amplifier falls at high frequencies due to the
A Internal Capacitance of the device
B Coupling capacitor at the input
C Skin effect
D Coupling capacitor at the output
Which of the following amplifier circuit using junction transistor has the best gain?
A Common base
B Common emitter
C Common collector
D All have the same gain

Next steps