How to find out freqency in Ac and Dc and also how u
control it
Answer Posted / pillay
Frequency measuring instruments are available ,just connect
across the voltages and the frequency can be determined
instantly. whereas as the abbreviation means the DC HAS GOT
NO FREQUENCY.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is counter poise conductors
advantages & disadvantages of Lagging and leading power factor .
Define resonant peak?
how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?
what are the reasons of CT circuit faulty in busbar protection scheme?
if flux and load static in dc motor and supply voltage increases 20% then what happened in speed
Anybody know how schematic diagram for reverse power relay? RPR for generator protection
Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer
why would amp draw on neutral wire be as much as amp draw on the hot leg.
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
Is it advantages of having star-delta vfd than normal star vfd , if yes why?
can indirect loading be called as phantom loading?
Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?