What is the typical output impedance of an op-amp?
Very low✓Ճիշտ պատասխան
Very high
100 ohms
10,000 ohms
Բացատրություն
An operational amplifier is designed so that its output voltage barely changes with load, which means the output impedance must be very low. Negative feedback lowers it further still, typically to a fraction of an ohm.