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| 1 | Most op amps available today are high-power devices with a maximum power rating of more than a watt. |
 | A) | True |
| B) | False |
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| 2 | By connecting two external resistors, op amp voltage gain and bandwidth can be adjusted to exact requirements. |
| A) | True |
| B) | False |
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| 3 | A typical op amp has a differential input and a single-ended output. |
| A) | True |
| B) | False |
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| 4 | When an op amp has no feedback path or loop, the voltage gain is maximum. |
| A) | True |
| B) | False |
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| 5 | When higher input resistance is required, a designer would most probably use a standard 741 op amp. |
| A) | True |
| B) | False |
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| 6 | Not all op amps are internally compensated in order to prevent oscillations. |
| A) | True |
| B) | False |
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| 7 | The best way to eliminate output error and minimize thermal drift of an op amp is by using a snubber circuit. |
| A) | True |
| B) | False |
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| 8 | The unity-gain frequency of an op amp is the frequency at which the voltage gain equals 1. |
| A) | True |
| B) | False |
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| 9 | The compensating capacitor inside a 741C op amp produces oscillations that mix with the desired signal. |
| A) | True |
| B) | False |
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| 10 | The is the least expensive and most widely used op amp. |
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| 11 | The fastest response that an op amp can have is represented by its rate. |
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| 12 | feedback is used to stabilize the overall voltage gain of the inverting op amp circuit. |
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| 13 | The 741C op amp has an open-loop voltage gain of approximately . |
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| 14 | A op amp circuit uses feedback to stabilize the overall gain, increase the input impedance, and decrease the output impedance. |
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| 15 | is the term used to describe the action of an op amp when, for example, the noninverting input voltage increases, the inverting input voltage immediately increases to the same value. |
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| 16 | Op amps designed with minimum imperfections and intended for applications such as measurement and control are referred to as op amps. |
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| 17 | IC amplifiers optimized for low noise and designed to produce less than 50 mW output power are called . |
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| 18 | The change in the output voltage of an op amp divided by the change in time is referred to as |
| A) | slew rate |
| B) | nulling |
| C) | frequency |
| D) | bootstrapping |
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| 19 | The voltage gain produced when there is a feedback path between the output and the input is called the |
| A) | open-loop voltage gain |
| B) | closed-loop voltage gain |
| C) | feedback voltage gain |
| D) | output voltage gain |
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| 20 | What is the op amp circuit used when it is necessary to combine two or more analog signals into a single output? |
| A) | voltage follower |
| B) | comparator |
| C) | summing amp |
| D) | diff amp |
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| 21 | An IC amplifier that has a flat response over a very broad range of frequencies and finds applications in such instruments as oscilloscopes, copiers, and scanners is the |
| A) | power amp |
| B) | medium-level amp |
| C) | video amp |
| D) | preamp |
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| 22 | What is the preferred surface-mount style used for most op amps? |
| A) | dual-outline package |
| B) | small outline package |
| C) | large outline package |
| D) | single-inline package |
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| 23 | The characteristics of an ideal op amp does not include |
| A) | infinite voltage gain |
| B) | infinite input impedance |
| C) | infinite output impedance |
| D) | infinite CMRR |
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| 24 | Which op amp is the least expensive and most widely used? |
| A) | 741A |
| B) | 741N |
| C) | 741E |
| D) | 741C |
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| 25 | The best method to eliminate output error and minimize thermal drift of an op amp is by |
| A) | connecting a compensating capacitor |
| B) | using a nulling circuit |
| C) | using a tuned amplifier |
| D) | using a RLC filter |