In class B operation, the current drawn from a single power supply has the form of rectified signal.

Related MCQs

• Class B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning on when the ac signal is applied.
• The amount of power dissipated by the transistor is the of that drawn from the dc supply (set by the bias point) and the amount delivered to the ac load.
• A class A amplifier has a voltage gain of 30 and a current gain of What is the power gain?
• In class B power amplifiers, the output signal varies for of the cycle.
• By how much does the output signal vary for a class AB power amplifier?
• How many transistors must be used in a class B power amplifier to obtain the output for the full cycle of the signal?
• A form of class A amplifier having maximum efficiency of _          uses a transformer to couple the output signal to the load.
• For Class-B operation, the collector current flows for
• Which of the power amplifiers is not intended primarily for large- signal or power amplification?
• In class B operation, at what fraction of VCC should the level of VL(p) be to achieve the maximum power dissipated by the output transistor?