Question
a.
average thyristor current will be less than 20 A but rms thyristor current will be more than 20 A
b.
both the average and rms thyristor currents will be less than 20 A
c.
both the average and rms thyristor currents will be more than 20 A
d.
rms thyristor current will be 20 A and average thyristor current will be 10 A
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In a single phase full wave ac regulator the rms value of load current is 20 A load is purely resistive. Then
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. A reactor is used in a dual converter operating in non-circulating current mode.
View solution
Q. In a 3 phase full wave regulator feeding resistance load connected in star, the possible range of firing angle α is
View solution
Q. Assertion (A): A dual converter may be circulating current type or non circulating current type.
Reason (R): In circulating current dual converter only one converter can be operated at one time.
View solution
Q. Current chopping leads to
View solution
Q. A 3 phase bridge inverter is fed by 400 V battery. The load is star connected and has a resistance of 10 Ω per phase. The peak value of load current is
View solution
Q. In an SCR, the anode current is controlled by
View solution
Q. The rated current of a thyristor is 40 A. The holding current will be about :
View solution
Q. A cycloconverter is
View solution
Q. The number of leads in a power semiconductor diode are
View solution
Q. If ton and toff are the turn on and turn off times of a thyristor, then
View solution
Q. Assertion (A): The gate current of an SCR is always in the form of pulses.
Reason (R): The gate losses, in pulse triggering, are low.
View solution
Q. The average load current supplied by a thyristor depends on
View solution
Q. In a 3 phase full wave regulator feeding a star connected resistance load the input voltage is 400 V line to line. The firing angle is 160°. The line to line output voltage would be
View solution
Q. A thyristor is reverse biased. A positive gate pulse is applied. The thyristor
View solution
Q. A single phase series converter is used for
View solution
Q. Which of these commutation methods uses an auxiliary SCR?
View solution
Q. In integral cycle control the period of on-off control should be more than mechanical time constant of load.
View solution
Q. A single phase half wave converter is feeding a resistive load. Just before triggering, the voltage across thyristor is
View solution
Q. UJT can be used for
View solution
Q. In a series inverter supplying a load resistance R, the commutating elements L and C should be such that
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
