Question: A disk drive plugged into a 120-V outlet operates on a voltage of 9.0 V. The transformer that powers the disk drive has 125 turns

A disk drive plugged into a 120-V outlet operates on a voltage of 9.0 V. The transformer that powers the disk drive has 125 turns on its primary coil.

(a) Should the number of turns on the secondary coil be greater than or less than 125? Explain.

(b) Find the number of turns on the secondary coil.

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