The amount of core material needed for a particular transformer is determined by the ____ of the transformer.
A) efficiency
B) power rating
C) relative strength rating
D) amount of magnetic coupling between the windings

Question

Quizplus · Accepted Answer

The power rating of a transformer determines the amount of current and voltage it can handle, which in turn determines the size of the core needed to handle that power. A higher power rating requires a larger core to handle the increased magnetic flux.

The Amount of Core Material Needed for a Particular Transformer