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| 1 | Voltage gain is ac input voltage divided by the ac output voltage. |
 | A) | True |
| B) | False |
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| 2 | Voltage gain cannot be increased by using a multistage amplifier. |
| A) | True |
| B) | False |
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| 3 | A multistage amplifier can be created by cascading two or more amplifier circuits. |
| A) | True |
| B) | False |
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| 4 | The output signal of a multistage amplifier using two common-emitter stages is out of phase with the input signal. |
| A) | True |
| B) | False |
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| 5 | The total voltage gain of a multistage amplifier is given by the product of the individual gains. |
| A) | True |
| B) | False |
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| 6 | A swamped amplifier increases input impedance and decreases distortion. |
| A) | True |
| B) | False |
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| 7 | If an emitter bypass capacitor is open, you will see an ac voltage at the emitter when measuring with an oscilloscope. |
| A) | True |
| B) | False |
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| 8 | If excessive hum is heard coming out of a loudspeaker, one of the prime suspects is an open filter capacitor in the power supply. |
| A) | True |
| B) | False |
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| 9 | Under normal conditions, the supply line is at dc ground point because of the filter capacitor in the power supply. |
| A) | True |
| B) | False |
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| 10 | When the input impedance of an amplifier reduces the ac voltage appearing across the emitter diode, it is called . |
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| 11 | If two or more amplifiers are connected to form a multistage amplifier, gain . |
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| 12 | A multistage amplifier using two common-emitter amplifiers will provide a total phase inversion of . |
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| 13 | A device that has an ac voltage across it and opposes changes in voltage gain is a resistor. |
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| 14 | By swamping the emitter diode of an amplifier stage the effect it has on voltage gain is . |
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| 15 | A amplifier stabilizes voltage gain, increases the input impedance of the base, and reduces the distortion of large signals. |
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| 16 | In the amplifier troubleshooting process, one of the initial steps is to dc voltages. |
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| 17 | A useful test instrument that provides the troubleshooter with the ability to see voltage waveforms is the . |
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| 18 | Ac output voltage divided by the ac input voltage is referred to as the |
| A) | current gain |
| B) | voltage gain |
| C) | power gain |
| D) | alpha |
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| 19 | What is a multistage amplifier? |
| A) | a single stage amplifier |
| B) | a single stage attenuator |
| C) | two or more attenuators cascaded |
| D) | two or more amplifiers cascaded |
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| 20 | An amplifier’s voltage gain can be stabilized by |
| A) | increasing RL |
| B) | decreasing RL |
| C) | leaving some of the emitter resistance unbypassed |
| D) | reducing the power supply voltage |
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| 21 | An example of single-stage feedback is a |
| A) | power amplifier |
| B) | small-signal amplifier |
| C) | swamped amplifier |
| D) | loaded amplifier |
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| 22 | If there is any ac voltage at an amplifier’s bypass emitter, it means that the |
| A) | transistor is shorted |
| B) | transistor is open |
| C) | coupling capacitor is open |
| D) | bypass capacitor is open |
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| 23 | Negative feedback stabilizes the voltage gain and |
| A) | decreases the input impedance of the base |
| B) | increases the input impedance of the base |
| C) | decreases the output impedance of the collector |
| D) | increases the output impedance of the collector |
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| 24 | When troubleshooting, if there is a generator voltage but there is no ac base voltage |
| A) | the transistor is probably open |
| B) | the dc power supply is bad |
| C) | something may be open between the generator and the base |
| D) | a coupling capacitor may be shorted |
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| 25 | What is the source of large-signal distortion in a transistor amplifier? |
| A) | nonlinearity of the emitter-diode curve |
| B) | linearity of the emitter-diode curve |
| C) | high input impedance of the base |
| D) | high output impedance of the collector |