A particular transformer has more turns of wire on the secondary coil than on th

Question

A particular transformer has more turns of wire on the secondary coil than on the primary coil. Which of the following statements is true?

The secondary power is greater than the primary power

The length of the secondary coil is greater than the length of the primary coi

The primary current is greater than the secondary current

The primary voltage is greater than the secondary voltage

*I know it is not the primary voltage is greater than the secondary voltage which is what I originially thought it was but my online homework assignment says that is incorrect. Does anyone else know what the answer may be? Or is it possible the homework was graded incorrectly? Thanks!

Explanation / Answer

The length of the secondary coil is greater than the length of the primary coi

input power = output power

Pp = Ps

Vp*Ip = Vs*Is

Ip/Is = Vs/Vp = Ns/Np

Ns > Np

Ip > Is

The primary current is greater than the secondary current

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