
analog circuits
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Dr. Mary
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which device eliminates the fluctuations in the rectified voltage and produces a relatively smooth dc voltage
Filter
Rectifier
Regulator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify a circuit that maintains a constant DC voltage for variation in input line voltage or in the load.
Regulator
Rectifier
Amplifier
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following utilizes only one half cycle of the input?
Half wave rectifier
Full wave rectifer
both half wave and full wave rectifier
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a filter?
minimize variations in an ac input signal
suppress harmonics in rectified output
removes ripples from the rectified output
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A voltage regulator is a circuit which_____________________
Converts the ac voltage to dc voltage
Smoothens the ac variation in dc output voltage
Maintains a constant dc output voltage inspite of the fluctuations in ac input voltage or load current
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not an essential element of a Regulated Power Supply?
Rectifier
Voltage amplifier
Voltage regulator
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of device is a transistor in power amplifier?
active device
passive device
either active or passive device
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