A transformer in an AC alternating current electrical circui

A transformer in an AC (alternating current) electrical circuit may be used to \"step up\" which of the following

Voltage

Power

Both voltage and power

Neither voltage nor power

Please explain why the correct answer and why the other ones are wrong

Solution

Voltage

The main significance of a transformer in an AC electrical circuit is its ability to step voltage up or down from the powered coil to the unpowered coil.