Automation System
How is the integral mode implemented using analog methods?

All of these
None of these
Op amp and a capacitor
Op amp and an RC network to place the error voltage across the capacitor
Op amp and resistors

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Automation System
A process controller:

can interface to digital and analog I/O
is useful in a continuous process control application
None of these
can solve a PID process control equation easily
All of these

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