Calculate the number of turns in the secondary

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Reference no: EM13260105

A transformer is to be used to provide power for a computer disk drive that needs 5.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 420, and it delivers 500 mA (the secondary current) at an output voltage of 5.0 V (rms).

(a) Should the transformer have more turns in the secondary compared to the primary, or fewer turns?

(b) Find the current in the primary.

turns

Reference no: EM13260105

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