Write emf equation of a transformer.

1 Answer

Answer :

E.M.F equation of transformer is given by

image

where

Фm= Maximum value of ac flux linking with primary and secondary winding.

f = frequency of applied ac signal

N= number of turns on primary or on secondary.

Turns on primary winding = N1

 Turns on secondary winding= N2

E.M.F= voltage induced in either primary or secondary winding

 Voltage induced in primary = E1=4.44 Фm f N1volts

 Voltage induced in primary = E2=4.44 Фm f N2volts

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