📊 Basic Electrical Engineering
Q. A common-collector transistor circuit is often used
  • (A) to provide high gain and sensitivity over a wide range of frequencies
  • (B) to match a high impedance to a low impedance
  • (C) as a high-fidelity audio power amplifier
  • (D) as an oscillator at microwaves frequencies
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✅ Correct Answer: (B) to match a high impedance to a low impedance

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