Question
a.
are always equal
b.
are sometimes equal
c.
are never equal
d.
may be equal or unequal
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 firing angles in the two half cycles
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. As regards single phase dual converter
View solution
Q. In a semi converter feeding a resistive load, the firing angle is α. Each thyristor conducts for
View solution
Q. Between which points does UJT exhibit negative resistance characteristics
View solution
Q. A thyristor has maximum allowable junction temperature of 110° C and the ambient temperature is 40°C, If the maximum internal power dissipation is 50 W, the thermal resistance is
View solution
Q. A single phase electric heater uses phase controlled thyristors. The firing angle is 90°. The degree of heating is
View solution
Q. Which of these commutation methods is used in AC-DC converters?
View solution
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
View solution
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
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!
