A transformer is to be used to provide power for a computer disk drive that needs 7.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 411, and it delivers 500 mA (the secondary current) at an output voltage of 7.0 V (rms). (a) Should the transformer have more turns in the secondary compared to the primary, or fewer turns? There should be more turns in the secondary. O There should be fewer turns in the secondary. (b) Find the current in the primary. MA (c) Find the number of turns in the secondary. turns

A transformer is to be used to provide power for a computer disk drive that needs 7.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 411, and it delivers 500 mA (the secondary current) at an output voltage of 7.0 V (rms). (a) Should the transformer have more turns in the secondary compared to the primary, or fewer turns? There should be more turns in the secondary. O There should be fewer turns in the secondary. (b) Find the current in the primary. MA (c) Find the number of turns in the secondary. turns

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A transformer is to be used to provide power for a computer disk drive that needs 7.0 V (rms) instead of the 120 V (rms) from the wall outlet. The
number of turns in the primary is 411, and it delivers 500 mA (the secondary current) at an output voltage of 7.0 V (rms).
(a) Should the transformer have more turns in the secondary compared to the primary, or fewer turns?
There should be more turns in the secondary.
There should be fewer turns in the secondary.
(b) Find the current in the primary.
mA
(c) Find the number of turns in the secondary.
turns

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Step 4: (c) Find the number of turns in the secondary coil:

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