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 73easy
In controlled rectifiers, the nature of load current
Question 74easy
A thyristor is triggered by apulse train of 5 KHz. The duty ratio is 0.4. If the allowable aver:me power is 100W, the maximum allowable gate drive power is
Question 75easy
In a single-phase semiconductor, for continuous conduction, each SCR conducts for
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Question 76easy
In a single-phase full converter, if output voltage has peak and average values of 325 Vand 133 V respectively, then the firing angle is
Question 77easy
In a single phase semiconverter, if output voltage has peak and average values of 325 Vand 133 V respectively, then the firing angle is
Question 78easy
A convertor which can operate in both 3-phase and 6-phase modes is a
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Question 79easy
In a 3-phase semiconverter, for firing angle less than or equal to 60?, freewheeling diode conducts for
Question 80easy
In a 3-phase semiconverter, for firing angle equal to 120? and extinction angle equal to 110? free-wheeling diode conducts for
Question 81easy
In a 3-phase semiconverter, the three SCRs are triggered at intervals of