What kind of feedback does a thermostat employ?

Which of the following is a primary disadvantage of a vacuum-tube amplifier compared with a solid-state amplifier?

One 120-VAC circuit has two 60-W light bulbs in parallel and another 120-VAC circuit has a single 100-W bulb. In which circuit is more power dissipated?

A JK flip-flop circuit can be assembled entirely from four of which type of digital gate?

What is the term to describe a multivibrator circuit with two outputs, both of which are stable in time?

A high-voltage primary circuit is isolated with the use of an optocoupler on a secondary circuit. Does the addition of the optocoupler add inductance to either circuit?

What is the term to describe a multivibrator circuit with two outputs, one of which is stable in time?

In a differentiator circuit, the output is approximately:

What artifact results from a failure to low-pass filter a signal before analog-to-digital conversion?

Which of these statements expresses De Morgan's theorem?

What is the function of a diode clamp?