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
Last updated
About Electronics
A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
Practise Electronics
660 free Electronics MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Physics questions like this
Physics is on 13 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
(7) In n-p-n transistor, p works as: (Tag: Electronics sub-tag: Transistors )
A capacitor and an inductor are connected to the A.C. supply. If we double the frequency of the A.C. supply then the effect on the reactance of capacitor XC and reactance of inductor XL will be:
A capacitor is to be used to provide smoothing for a half wave rectifier. In which of the following diagrams is capacitor correctly connected?
A changing electric flux develops in the region:
A circuit that adds positive or negative voltage to an input sine wave is called _.