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  4. In common-emitter transistor amplifier, the phase difference between output voltage and input voltage is:

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Q. In common-emitter transistor amplifier, the phase difference between output voltage and input voltage is:

BHUBHU 2005

Solution:

In common-emitter configuration of a transistor amplifier, the input signal fed to it is inverted and amplified at the output. Thus, phase difference between input and output signals is $ 180^{\circ }$ .