Special-Purpose Op-Amp Circuits - Technical MCQs

Q1:

mcq20_1008_1.jpg
Refer to Figure 20-2. This circuit is a setup for

A an antilog amplifier

B a constant-current source

C an instrumentation amplifier

D an isolation amplifier

ANS:B - a constant-current source

Current is output since there is a source connected and load resistor present.