if u give d.c. supply to transformer primary then what happen.&why??????????????
Answer Posted / aab.bharti
winding becomes burn because resistance of winding is very low &frequency of d.c is 0 hz so indutance is 0 result net impedence is very very low
| Is This Answer Correct ? | 12 Yes | 5 No |
Post New Answer View All Answers
How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......
what is cascade speed control device?and how this device control the speed of motors?
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
What are the material used for inductance coil?
What does ampere turns shows?
what is transient enclosure vltage , very fast transients, very fast transient over voltages
1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)
What is the relation between frequency and motor rpm?
What is the difference between diode and a transistor in terms of the direction of current flow?
how mass curve differs from hydrograph.
what are the assumptions made in swineburne's test?
What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket
oltc of a transformer, how it works? and what are the equipment consist of describe briefly?
I need bhel electrical test pattern & paper