31. Calculate IL for this circuit.
(a) 3 mA
(b) 4 mA
(c) 5 mA
(d) 6 mA
32. A filter that provides a constant output from dc up to a cutoff frequency and passes no signal above that frequency is called a ________ filter.
(a) low-pass
(b) high-pass
(c)
(d)
33. How many op-amps are required to implement this equation?
(a) 2
(b) 3
(c) 4
(d) 1
34. This circuit is an example of a(n)________.
(a) dc voltmeter
(b) display driver
(c) instrumentation amplifier
(d) None of the above
35. An example of an instrumentation circuit is a(n) ________.
(a) dc voltmeter
(b) display driver
(c) ac voltmeter
(d) All of the above
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