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Electronic Devices - Voltage Regulators

Exercise : Voltage Regulators - General Questions
46.
In this op-amp series regulator circuit, which of the following components is the comparator circuit?

Op-amp
Transistor Q1
R1 and R2 resistors
Zener diode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Which component(s) set(s) the voltage across the load in a basic transistor shunt regulator?
Zener diode
Transistor base-emitter voltage
Both the Zener diode and the transistor base-emitter voltage
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Voltage regulation requires
only line regulation.
only load regulation.
a constant load.
load and line regulation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Across which of the following components of a power supply does the average (dc) voltage exist?
Diodes
Secondary of the transformer
Capacitor filter
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Switching regulators are more efficient than linear regulators and are particularly useful in ________-voltage, ________-current applications.
high, high
low, high
high, low
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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