Voltage Regulators Questions and Answers
Voltage Regulators questions with answers cover one of the most critical topics in electronics engineering — maintaining constant output voltage. These questions are highly relevant for electronics interview questions and answers, GATE preparation, and PSU exams like BHEL, DRDO, and ISRO. Understanding voltage regulators helps you analyze how electronic circuits stabilize voltage under varying load conditions. Through detailed MCQs and solutions, students can master linear, switching, and integrated voltage regulators efficiently. Practice these electronics-based aptitude tests to improve conceptual clarity and readiness for both academic and placement assessments.
Voltage Regulators
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49 questions
31. For what range of load current can voltage regulators be selected for operation?
- Hundreds of picoamperes to tens of nanoamperes
- Hundreds of picoamperes to tens of milliamperes
- Hundreds of milliamperes to tens of amperes
- None of the above
33. What type of regulator offers inherent short-circuit protection?
- shunt regulators
- series regulators
- three-terminal regulators
- switching regulators
34. The larger the value of the capacitor, the smaller the peak current drawn through the rectifying diodes.
- TRUE
- FALSE
35. In a shunt linear regulator, the control element is a(n) ________ in parallel with the load.
- inductor
- capacitor
- transistor
- [NIL]
36. For what range of fixed regulated voltages do the series 78xx regulators provide regulation?
- +5 V to +24 V
- +5 V to +24 V
- –5 V to –24 V
- None of the above
37. In a series linear regulator, the control element is a(n) ________ in series with the load.
- inductor
- capacitor
- transistor
- [NIL]
38. ________ regulation can be defined as the percentage change in the output voltage for a given change in the input voltage.
- Line
- Load
39. A ________ -wave rectified signal has less ripple than a ________ -wave rectified signal and is thus better to apply to a filter.
- full, half
- half, full
40. A pass transistor may be used in a series regulator, as the current-carrying device.
- TRUE
- FALSE