A transformer connected to a 240Vr.m.s has 3000 tu...
A transformer connected to a 240Vr.m.s has 3000 turns in its primary coil and 500 turns in its secondary coil. Calculate the output voltage.
4000V
400V
40V
4V
Correct answer is C
Np=3000turns
Ns=500turns
Ep=240Vr.m.s
Es=?
NsNp=EsEp
5003000=Es240
⟹Es=240×5003000=40V
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