The output signal of an op-amp is ________ out of phase with its input signal connected to the inverting input terminal.

The output signal of an op-amp is ________ out of phase with its input

1.	The output signal of an op-amp is ________ out of phase with its input signal connected to the inverting input terminal.
A.	0º
B.	90º
C.	180º
D.	270º
Answer» D. 270º