TRANSISTOR AMPLIFIER - Quiz

1) How does the values of bias resistors selected for collector current in class -B amplifiers?

Q point set slightly below cut-off Quiescent current at mid point Quiescent current beyond the cut-off point Quiescent current over the cut-off value

2) Which parameter of passive component can be calculated using the formula ?

Capacitance Inductance Capacitive reactance Inductive reactance

3) Which type of amplifier is used to operate the loud speaker?

IF Amplifier RF Amplifier Power Amplifier Voltage Amplifier

4) What is the advantage of silicon over germanium for transistor fabrication?

Lower thermal stability Higher thermal stability Lower operating voltage Higher amplification factor

5) What is the effeciency transformer coupled class A amplifier?

Less than 20% About 50% More than 60% Unity