1.

If an input impedance of op-amp is finite, then which one of the following statements related to the virtual ground is correct?

A. Virtual ground conditions may exist.
B. Virtual ground conditions cannot exist.
C. In the case of an op-amp, the virtual ground condition always exists.
D. Cannot make a valid declaration.
Answer» C. In the case of an op-amp, the virtual ground condition always exists.


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