>"For example if I wanted to conclude that a solenoid worked I could correlate piston position with applied voltage" No one would do this, its once again a "ru

>"For example if I wanted to conclude that a solenoid worked I could correlate piston position with applied voltage" No one would do this, its once again a "rudimentary science" behavior. People have figured out what we need to know to get the exact relationship between voltage and position.