In a transformer, the hysteresis and eddy current losses
depend upon
1.load current
2.maximum flux density in core
3.type of lamination
4.supply frequency
The correct statements are
(a) 1 and 3 (b) 2 and 3
(c) 1 and 4 (d) 2 and 4
Answer Posted / bunny
3 & 4 as loss is directly proportional to square of f nd
thickness of lamination
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Name the test signals used in control system
lenz law application and define
What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?
what is the use of permanent magnet generator in exciter
which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
if flux and load static in dc motor and supply voltage increases 20% then what happened in speed
What is bridge rectifier and explain with details
what is meant by re-rolling motor? how it differs from standard motor?
I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.
I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.
What is voltage ratio of a transformer?
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions