A. Increase the output impedance of transistor
B. Protect the transistor
C. Pass a.c. and block d.c.
D. Provide biasing
Related Mcqs:
- In an RC coupling scheme, the coupling capacitor CC must be large enough______________?
A. To pass d.c. between the stages
B. Not to attenuate the low frequencies
C. To dissipate high power
D. None of the above - In RC coupling, the value of coupling capacitor is about_______________?
A. 100 pF
B. 0.1 µF
C. 0.01 µF
D. 10 µF - The input capacitor in an amplifier is the______________ capacitor?
A. Coupling
B. Bypass
C. Leakage
D. None of the above - If the input capacitor of a transistor amplifier is short-circuited, then_________________?
A. Transistor will be destroyed
B. Biasing conditions will change
C. Signal will not reach the base
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 - In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
A. Thin base
B. Thin collector
C. Wide emitter
D. None of the above - 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 purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above - A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A. Dual
B. Push-pull
C. Symmetrical
D. Differential - The purpose of capacitors in a transistor amplifier is to___________________?
A. Protect the transistor
B. Cool the transistor
C. Couple or bypass a.c. component
D. Provide biasing
