Answer / susmita

i feel it ll be electromagnetically.......coz the basic
principal of transformer is electromagnetic induction

Answer / surendra kumar bairwa

C ELECTRO-MAGNETICALLY
it means as showing external ckt. of transformer there are
no energy conversion because INPUT is electrical energy&
OUTPUT is electrical energy.
but internally ckt. electrical ergy converted into megnetic
induction by mutual inductance this evergy converted into
electrical energy.so it is electro-magnetically

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