A complementary-symmetry amplifier has / » Electronic Devices and Circuits solved MCQs / By admin Question: A complementary-symmetry amplifier has A. one pnp and one npn transistor B. two pnp transistors C. two npn transistors D. two pnp and two npn transistors Answer» a. one pnp and one npn transistor Note: The above multiple-choice question is for all general and Competitive Exams in India.