Related Questions

Power amplifiers generally use transformer coupling because transformer per-mits
A Cooling of the circuit
B Impedance matching
C Distortionless output
D Good frequency response
Power amplifiers handle ___________ signals compare to voltage amplifiers
A Small
B Very small
C Large
D None of the above
In transistor amplifiers, we generally use ___________ capacitors.
A Electrolytic
B Mica
C Paper
D Air
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
Transformer coupling can be used in ___________ amplifiers
A Either power or voltage
B Only power
C Only voltage
D None of the above
The disadvantage of impedance matching is that it ___________
A Gives distorted output
B Gives low power output
C Requires a transformer
D None of the above
CC configuration is used for impedance matching because its ___________
A Input impedance is very high
B Input impedance is low
C Output impedance is very low
D None of the above
Operational amplifiers use ___________.
A Linear ICs
B Digital ICs
C Both linear and digital ICs
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
For faithful amplification by a transistor circuit, the value of VBE should ___________ for a silicon transistor
A Be zero
B Be 0.01 V
C Not fall below 0.7 V
D Be between 0 V and 0.1 V

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