Why do transformers works only with AC not with DC ?

[@vivroursolen6177]

Additive & subtractive types of transformer polarity.that’s why we have transformer vector test.

[@jonathanmendoza-jf1oj]

Daming klasing TRx pala.. Thank kuya regs

[@jenreyagol9675]

paano pina pataas ang dc volts at ano ang ginagamit? 🤗