Question
a.
30°
b.
60°
c.
90°
d.
120°
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 3 phase semiconverter, the dc output voltage for a certain firing angle is 50% of the maximum possible value. The firing angle is
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. A high frequency series inverter consists of
View solution
Q. In an SCR, the anode current consists of
View solution
Q. A 3 phase semiconverter when supplying a certain load has a rectification efficiency of 0.6 and transformer utilisation factor of 0.35. When a 3 phase full converter is supplying the same load
View solution
Q. A chopper cannot be line commutated.
View solution
Q. Natural commutation can be used in :
View solution
Q. In a thyristor the gate lead is connected to the n layer near the p layer to which anode is connected.
View solution
Q. A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
View solution
Q. McMurray Bedford full bridge inverter uses
View solution
Q. A single phase half wave converter is feeding a resistive load. Output dc power is Pdc and total power delivered to load is Pac then
View solution
Q. Which of the following devices exhibit negative resistance characteristics?
View solution
Q. In integral cycle control of ac regulators, the period of integral cycle control, i.e., (m + n) T should be
View solution
Q. All other parameters remaining the same, a 3 phase bridge inverter with 180° mode of operation
View solution
Q. As compared to BJT, MOSFET has
View solution
Q. A current source inverter has simple commutation circuit.
View solution
Q. In load commutated chopper, the commutating element
View solution
Q. In a half bridge inverter each thyristor is gated at a frequency f. The output frequency is
View solution
Q. Assertion (A): A transistor has lower voltage drop during conduction as compared to thyristor
Reason (R): Transistors are manufactured in very high voltage and current ratings.
View solution
Q. Assertion (A): Typical value of thermal resistance from source to sink of an SCR is about 0.3° C/W
Reason (R): Heat sinks of thyristors are generally made of aluminium.
View solution
Q. In a thyristors are i = kvᵃ. The value of a is
View solution
Q. In an ordinary thyristor
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!
