Asked by ricky

A transformer is to be used to provide power for a computer disk drive that needs 5.8 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 414, and it delivers 500 mA (the secondary current) at an output voltage of 5.8 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
Answered by Henry
a. Fewer turns on secondary.

b. Ip = (5.8V/120V) * 500ma =

c. Turns = (5.8V/120V) * 414 =


Answered by Henry
post
Answered by ricky
thank you so much!
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