railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Transformer EMF Equation of Transformer
The maximum flux density in the core of a 200/2000 V, 50 Hz single-phase transformer is 1.2 wb/m2 . If the EMF per turn is 10 V, determine the primary and secondary turns, respectively.
1
10, 1000
2
20, 200
3
40, 400
4
30, 300