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
41. For an IC regulator, the input voltage must be at least 2 V above the regulated output voltage.
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42. A switching regulator can be configured as a step-up or a step-down voltage regulator.
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43. IC voltage regulators are sometimes called three-terminal regulators.
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44. Under no-load, a shunt regulator has minimum current through the control element.
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45. A basic voltage regulator consists largely of a reference source, an error detector, and a control device.
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47. Load regulation is the percentage change in line voltage for a change in load voltage.
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48. A three-terminal regulator can be used with an external pass transistor to increase the total load current available.
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49. Line regulation is the percentage change in output voltage for a given change in input line current.
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