Power Amplifiers Questions and Answers
The Power Amplifiers questions with answers section covers important electronics concepts such as Class A, B, AB, and C amplifiers, efficiency, distortion, and transistor operation. These electronics aptitude questions and answers are frequently asked in GATE, BEL, DRDO, and campus placement exams. Understanding how power amplifiers boost signal strength is essential for ECE and EE students. Each question is explained with diagrams and theory, helping you prepare thoroughly for both academic and technical interviews in electronics-based roles.
Power Amplifiers
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55 questions
51. The efficiency of any amplifier is the ratio of signal output power to signal input power.
- TRUE
- FALSE
54. Class B amplifiers are usually operated in push-pull to obtain an output that is a near replica of the input signal.
- TRUE
- FALSE
55. In a large-signal amplifier, the ac signal only needs to move over a small percentage of the total ac load line.
- TRUE
- FALSE