in a common base amplifier, the phase difference between the input signal voltage and output voltage is
Correct answer: D. 0
- A. π
- B. π/4
- C. π/2
- D. 0
Explanation
In a common base amplifier configuration, the input signal is applied between the base and the emitter, while the output signal is taken across the collector and the emitter. The common base configuration provides current gain but not voltage gain, as the input and output signals are in phase with each other.Since the input and output signals are in phase, the phase difference between the input signal voltage and the output voltage in a common base amplifier is:d. 0 degrees or 0 radiansThe common base amplifier is often used as a high-frequency amplifier or as a voltage buffer due to its low input impedance and high output impedance. The lack of phase shift makes it suitable for applications where phase distortion is undesirable
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