Physics, asked by kartekkr8565, 1 year ago

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

Answers

Answered by MichelleSJM

13

Answer:

Explanation:

Step-down transformer ( which reduces the voltage ).

So that rectified DC voltage is equal to battery voltage, hence it can work on mains as well as on battery.

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