Power Semiconductor Devices and Their Applications MCQs
Practice free Power Semiconductor Devices and Their Applications multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 224 questions — no login required.
Question 64easy
For discontinuous load current and extinction angle 13 > it radians, in a single phase full converter, each SCR conducts for
Question 65easy
In a single-phase converter with discontinuous conduction and extinction angle p > 7T, free-wheeling diode conducts for
Question 66easy
In a single-phase converter with discontinuous conduction and extinction angle 13< TC, the free-wheeling diode conducts for
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Question 67easy
In single-phase semiconverter with continuous conduction, free-wheeling diode conducts for
Question 68easy
In a single-phase semiconverter, for discontinu-ous conduction and extinction angle 13 < n, each SCR conducts for
Question 69easy
In a single phase semiconverter, for discontinuous conduction and extinction angle 3> 71, each SCR conducts for
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Question 70easy
A free-wheeling doide is placed across the dc load
Question 71easy
An SCR fires at a minimum current of 80 mA at 65 ?C. The minimum current required to fire at 25 ?C is
Question 72easy
An SCR is rated at 75 A peak and 20 A average. The greatest possible delay in the trigger angle if the dc is a rated value, is