Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് മേയ് 11
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് - ഏപ്രില് 07
Multiple Choice Question in current-affairs-2016-12-22
Multiple Choice Question in current-affairs-2017-01-22
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് - ക്വിസ് | ഡിസംബര് 05 - 12
Multiple Choice Question in biochemistry-structure-and-properties-of-peptides
Multiple Choice Question in biochemical-engineering-fluid-flow
Multiple Choice Question in biochemistry-allosteric-effects
Multiple Choice Question in current-affairs-2017-05-07
Multiple Choice Question in കറന്റ് അഫയേഴ്സ് മേയ് 26
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
electronics and communication engineering power electronics
1. In a 3 phase semiconverter, the firing frequency is
(A): 12 times the line frequency
(B): 3 times the line frequency
(C): 6 times the line frequency
(D): equal to line frequency
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Ask Your Doubts Here
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
By: guest on 02 Jun 2017 01.11 am
Since the circuit has 3 thyristors, firing frequency is three times the line frequency.
Show Similar Question And Answers
QA->In the shortest phase of mitosis the separation of newly formed chromosomes occurs. Which is that phase?....
QA->Due to change of medium the phase velocity of the wave is changed but its frequency remains?....
QA->Who was the leader to have the unique distinction of firing the first shot in the rebellion of 1857?....
QA->A cannon after firing recoils due to?....
QA->In athletics, what is signaled by firing twice the starting gun?....
MCQ->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....
MCQ->In a 3 phase semiconverter, the firing frequency is....
MCQ->In a phase discriminator fc, is the IF to which primary circuit is tuned. Consider the following statements: The primary and secondary voltages are exactly 90° out of phase when input frequency is fcmore than 90° out of phase when input frequency is higher than fcless than 90° out of phase when input frequency is lower than fc Which of the above statements is correct?....
MCQ->A single phase semiconverter has a freewheeling diode. If the firing angle is a and the load is purely resistive, the periods of conduction and freewheeling respectively are....
MCQ->A single phase semiconverter is feeding a highly inductive load. The circuit has a freewheeling diode across the load and firing angle is a . During one cycle of input voltage, the total duration of conduction of freewheeling diode is....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution