Electronic Devices - Voltage Regulators
Exercise "Forgiveness is a virtue of the brave."
- Indira Gandhi
6.
In which period is the capacitor filter discharged through the load in a full-wave rectifier?
A. The time during the positive cycle B. The time during which the diodes are not conducting C. The time during which the diode(s) is (are) conducting D. The time during the negative cycle
Answer: D
Explanation:
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7.
The 7805 regulator IC provides ________.
Answer: E
Explanation:
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8.
What is the range of the voltage level of the LM317 adjusted voltage regulator?
A. 0 V to 5 V B. 1.2 V to 37 V C. –5 V to –24 V D. 5 V to 24 V
Answer: B
Explanation:
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9.
A voltage regulator with a no-load output dc voltage of 12 V is connected to a load with a resistance of 10
A. 1.45 A, 90.8% B. 1.45 A, 10.09% C. 1.2 A, 90.8% D. 1.2 A, 10.09%
Answer: A
Explanation:
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10.
Refer to the given figure. Determine the output voltage, VOUT .
Answer: B
Explanation:
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. If the load resistance decreases to 7.5 