What turn ratio (Np/Ns) of transformer is required to match 4 Ω speaker to a transistor having an output impedance of 8000 Ω?
A. 2
B. 7
C. 3
D. None of the above
Answer: Option B
Related Questions on Transistor Audio Power Amplifiers
The output stage of a multistage amplifier usually employs ___________
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
___________ coupling is generally employed in power amplifiers
A. Transformer
B. RC
C. direct
D. Impedance
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