Q24/ A 4250 V / 260 V, 50Hz single-phase transformer is to have an approximate e.m.f. per turn of 15 V and operate with a maximum value of flux density of 1.3 T. Calculate (a) the number of primary...

Q24/

A 4250 V / 260 V, 50Hz single-phase transformer is to have an approximate e.m.f. per turn of 15 V and operate with a maximum value of flux density of 1.3 T. Calculate (a) the number of primary turns (b) number of secondary turns (c) maximum value of flux  and  the cross-sectional area of the core.