Power Supply Quiz
Authored by Itzel Hernandez
Other
12th Grade
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a power supply?
To store electrical energy
To take input voltage and convert it into the proper amount of voltage needed
To increase the frequency of the input signal
To provide backup power during outages
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a function of a transformer in a power-supply circuit?
Steps up and down voltage
Electrically isolates the primary circuit from the secondary circuit
Supplies a variable of AC voltage
Converts AC to DC
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does rectification mean in the context of a power supply?
To increase voltage
To change AC to DC
To decrease current
To stabilize frequency
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electronic device is commonly used as a rectifier in power supplies?
Transistor
Capacitor
Diode
Resistor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a half-wave rectifier differ from a full-wave rectifier in terms of DC output voltage?
Half-wave rectifier uses both halves of the AC waveform
Full-wave rectifier uses only one half of the AC waveform
Half-wave rectifier has a lower average DC voltage
Full-wave rectifier has a higher ripple
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many diodes does a bridge rectifier have compared to a center-taped rectifier?
2 diodes for bridge, 1 for center-taped
4 diodes for bridge, 1 for center-taped
3 diodes for bridge, 2 for center-taped
5 diodes for bridge, 3 for center-taped
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the amount of reverse voltage that diodes must withstand in a rectifier circuit?
Equal to the forward voltage
Half the amount of the reverse voltage
Twice the amount of the reverse voltage
Three times the amount of the reverse voltage
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