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Electronic Devices - Voltage Regulators

Exercise : Voltage Regulators - General Questions
41.
How many diodes conduct in the full-wave bridge rectifier while the capacitor is being charged?
1
2
3
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Refer to the given figure. If a solder splash shorted the ends of R1 to each other,

the op-amp would fail.
Q1 would open.
the output voltage would not change.
the zener would fail.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Calculate the ripple of a capacitor filter for a peak rectified voltage of 40 V, a capacitor value C = 75 F, and a load current of 40 mA.
3.2%
3.59%
4.03%
4.59%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
How many terminals does a 7800 series IC regulator have?
2
3
4
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
What are the typical values of Vref and Iadj for the LM317 adjustable voltage regulator?
1.0 V, 100 mA
1.5 V, 100 mA
1.25 V, 100 μA
1.25 V, 10 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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