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Electronic Devices - Voltage Regulators

Exercise : Voltage Regulators - General Questions
11.
Refer to the given figure. This circuit is known as

a series-pass voltage regulator.
a shunt voltage regulator.
a step-up switching regulator.
a step-down switching regulator.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Calculate the voltage regulation of a power supply having VNL = 50 V and VFL = 48 V.
4.17%
5.2%
6.2%
7.1%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Switching regulator efficiencies can be greater than ________ percent.
60
70
80
90
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The 7912 regulator IC provides ________ .
5 V
–5 V
12 V
–12 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
If a peak rectified voltage for the full-wave filter circuit is 40 V, calculate the filter dc voltage if C = 75 F and load current is 40 mA.
27.9 V
32.12 V
37.78 V
40 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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