ET1310 Review For Final
Review for final
1. What is the device that allows AC to pass through an amplifier circuit while blocking DC?
a. Regulator capacitor
b. Coupling capacitor
c. Rheostat
d. Diode
2. Which amplifier has the BJT as the most commonly used amplifier?
a. CC
b. CB
c. CE
d. Op-amp
3. How do we determine the voltage gain of the common-emitter amplifier?
a. Divide the AC collector resistance by the AC emitter resistance
b. Divide the AC collector resistance by the AC base resistance
c. Divide the AC emitter resistance by the AC base resistance
d. Divide AC emitter resistance by the AC collector resistance.
4. Which amplifier has voltage gain of approximately 1?
a. Common emitter
b. Common base
c. Common collector
d. FET
5. What is termed as “super beta” transistor?
a. CE
b. CC
c. CB
d. Darlington pair
6. What does forward biasing mean?
a. A condition that permits current across a PN junction
b. Placing a negative meter lead on the anode
c. The identifier on the diode that denotes the cathode
d. A condition that permits increase in resistance across a PN junction
7. Reversed bias is a achieved by:
a. Preventing current across the PN junction
b. Supplying the negative side of the source to the p region
c. Making the anode more negative than the cathode
d. Connecting a batter to the two ends of a diode
8. What is the maximum reverse-biased voltage that a diode can withstand called?
a. Reverse breakdown voltage
b. Avalanche voltage
c. Peak inverse voltage (PIV)
d. Depletion voltage
9. What does a rectifier circuit do?
a. Rectifies audio signal for amplification
b. Rectifies DC voltage to pure AC sine wave
c. Converts AC into pulsating DC
d. Uses 0.7 V to overcome distortion
10. What output voltage value does a 7805 IC regulator chip provide?
a. -5V
b. +5V
c. -12V
d. +12v
11. What type of diode works in the reverse direction and is used as a voltage regulator?
a. Varactor
b. Regulator
c. LM317
d. Zener
12. The ripple voltage of a full-wave bridge with a capacitive filter
1. What is the device that allows AC to pass through an amplifier circuit while blocking DC?
a. Regulator capacitor
b. Coupling capacitor
c. Rheostat
d. Diode
2. Which amplifier has the BJT as the most commonly used amplifier?
a. CC
b. CB
c. CE
d. Op-amp
3. How do we determine the voltage gain of the common-emitter amplifier?
a. Divide the AC collector resistance by the AC emitter resistance
b. Divide the AC collector resistance by the AC base resistance
c. Divide the AC emitter resistance by the AC base resistance
d. Divide AC emitter resistance by the AC collector resistance.
4. Which amplifier has voltage gain of approximately 1?
a. Common emitter
b. Common base
c. Common collector
d. FET
5. What is termed as “super beta” transistor?
a. CE
b. CC
c. CB
d. Darlington pair
6. What does forward biasing mean?
a. A condition that permits current across a PN junction
b. Placing a negative meter lead on the anode
c. The identifier on the diode that denotes the cathode
d. A condition that permits increase in resistance across a PN junction
7. Reversed bias is a achieved by:
a. Preventing current across the PN junction
b. Supplying the negative side of the source to the p region
c. Making the anode more negative than the cathode
d. Connecting a batter to the two ends of a diode
8. What is the maximum reverse-biased voltage that a diode can withstand called?
a. Reverse breakdown voltage
b. Avalanche voltage
c. Peak inverse voltage (PIV)
d. Depletion voltage
9. What does a rectifier circuit do?
a. Rectifies audio signal for amplification
b. Rectifies DC voltage to pure AC sine wave
c. Converts AC into pulsating DC
d. Uses 0.7 V to overcome distortion
10. What output voltage value does a 7805 IC regulator chip provide?
a. -5V
b. +5V
c. -12V
d. +12v
11. What type of diode works in the reverse direction and is used as a voltage regulator?
a. Varactor
b. Regulator
c. LM317
d. Zener
12. The ripple voltage of a full-wave bridge with a capacitive filter