engineering recuitment UPCL AE (E&M) 2021 Mock Test Electrical Machines Transformer EMF Equation of Transformer
A one-phase, 50 Hz core type transformer has core of cross-section 400 cm2. The permissible maximum B = 1 T, Find the number of turns on high and low voltage sides for a 3000 V/220 V ratio.
1
Nlv = 338 turns, Nhv = 25 turns
2
Nlv = 25 turns, Nhv = 338 turns
3
Nlv = 48 turns, Nhv = 654 turns
4
Nlv = 35 turns, Nhv = 477 turns