The "power cube" transformer for a portable cd player has an output of 6.9 v and 600 ma (both rms) when plugged into a 120 v outlet. a. if the primary coil has 400 turns of wire, how many turns are on the secondary coil? b. what is the peak current in the primary coil?

23

0.04879 A

Explanation:

T denotes turns

V denotes voltage

p denotes primary

s denotes secondary

For turns

The number of turns in the secondary coil is 23

For current

The peak current in the primary coil would be

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