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WorksheetsOperational Amplifiers
Total questions: 10
Worksheet time: 14mins
The two input terminals of an op amp are labeled as:
high and low
positive and negative
inverting and noninverting
differential and nondifferential
For an ideal op amp, which of the following statements is not true?
The differential voltage across the input terminals is zero
The current into the input terminals is zero
The current from the output terminal is zero
The output resistance is zero
For the circuit, voltage vo is
-6 V
-5 V
-1.2 V
-0.2 V
For the circuit, current ix is
0.6 mA
0.5 mA
0.2 mA
0.083 mA
If vs = 0 V in the circuit, current io is
-10 mA
-2.5 mA
0.83 mA
0.714 mA
If vs = 8 mV in the circuit, the output voltage is:
-44 mV
-8 mV
4 mV
7 mV
If vs = 8 mV, voltage va is:
-8 mV
0 mV
3.33 mV
8 mV
The power absorbed by the 4 kohm resistor is:
9 mV
4 mV
2 mV
1 mV
Which of these amplifiers is used in a digital-to-analog converter?
noninverter
voltage follower
summer
difference amplifier
Difference amplifiers are used in (please check all that apply):
instrumentation amplifiers
voltage followers
voltage regulators
summing amplifiers
