A. Large
B. Very large
C. Small
D. None of the above
Related Mcqs:
- Power amplifiers generally use transformer coupling because transformer permits______________?
A. Cooling of the circuit
B. Impedance matching
C. Distortionless output
D. Good frequency response - ________________ coupling is generally employed in power amplifiers?
A. Transformer
B. RC
C. direct
D. Impedance - 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 - 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 - If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is____________________?
A. RL + RC
B. RC || RL
C. RL – RC
D. RC - The most costly coupling is _______________ coupling?
A. RC
B. Direct
C. Impedance
D. Transformer - Transformer coupling is used for__________amplification?
A. Power
B. Voltage
C. Current
D. None of the above - Transformer coupling provides high efficiency because___________?
A. Collector voltage is stepped up
B. resistance is low
C. collector voltage is stepped down
D. none of the above - The frequency response of transformer coupling is___________?
A. Good
B. Very good
C. Excellent
D. Poor
