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Electronic Devices - Voltage Regulators

Exercise : Voltage Regulators - Filling the Blanks
1.
The ________ is (are) an adjustable voltage regulator.
series 7800 ICs
series 7900 ICs
LM317
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The ________ the ac variation with respect to the dc level, the ________ the filter circuit's operation.
smaller, better
larger, better
smaller, worse
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In a current-limiting circuit, ________ provide(s) the limiting of the maximum load current.
the Zener diode
the short-circuit resistor Rsc
the transistor Q1
both the short-circuit resistor Rsc and transistor Q2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
IC units provide regulation of ________.
a fixed positive voltage
a fixed negative voltage
an adjustably set voltage
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The ________ values of capacitor filter provide ________ ripple and ________ average voltage.
larger, more, higher
smaller, less, lower
smaller, more, higher
larger, less, higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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