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Electronic Devices - Voltage Regulators

Exercise : Voltage Regulators - General Questions
6.
In which period is the capacitor filter discharged through the load in a full-wave rectifier?
The time during the positive cycle
The time during which the diodes are not conducting
The time during which the diode(s) is (are) conducting
The time during the negative cycle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The 7805 regulator IC provides ________.
5 V
–5 V
12 V
–12 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
What is the range of the voltage level of the LM317 adjusted voltage regulator?
0 V to 5 V
1.2 V to 37 V
–5 V to –24 V
5 V to 24 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A voltage regulator with a no-load output dc voltage of 12 V is connected to a load with a resistance of 10 . If the load resistance decreases to 7.5 , the load voltage will decrease to 10.9 V. The load current will be ________, and the percent load regulation is ________.
1.45 A, 90.8%
1.45 A, 10.09%
1.2 A, 90.8%
1.2 A, 10.09%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Refer to the given figure. Determine the output voltage, VOUT.

25 V
5.1 V
20.2 V
4.1 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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