The phase difference between the input and output ac voltage signals of a common-emitter amplifier is __________.

The phase difference between the input and output ac voltage signals o

1.	The phase difference between the input and output ac voltage signals of a common-emitter amplifier is __________.
A.	0¬∫
B.	90¬∫
C.	180¬∫
D.	360¬∫
Answer» D. 360¬∫