Latest notices:
NEC licence exam preparation, made clearer.Practice questions, syllabus guides, and timed mocks for Nepal engineers.New study resources are added regularly.
NEC Electronics · 2081 · Question 8

The maximum theoretical efficiency of a class B push-pull amplifier is approximately:

Power Amplifier Classes

A25%
B50%
C79% (π/4 ≈ 78.5%)
D98%
Checking answer access…