A portable radio has a built-in transformer so that it cna work from t – InterviewSolution

1.	A portable radio has a built-in transformer so that it cna work from the mains instead of batteries. Is this a step-up or step down transformer ?
Answer» A portable radio has a built-in transformer so that it cna work from the mains instead of batteries. Is this a step-up or step down transformer ?

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