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 109easy
A conducting SCR can be opened by reducing ... to zero.
Question 110easy
With gate open, a SCR can be turned-on by making supply voltage
Question 111easy
If firing angle in a SCR rectifier is increased, output is
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Question 112easy
A SCR is a ___ switch.
Question 113easy
If the chopper switching frequency is 200 Hz and ton time is 2 ins, the duty cycle is
Question 114easy
Speed control of induction motor can be effected by varying
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Question 115easy
In a dc motor if the field coil gets opened, the speed of the motor will
Question 116easy
Voltage induced in the rotor of the induction motor when it runs at synchronous speed is
Question 117easy
Chopper control for DC moter provides variation in