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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. | |