A good rule for any type of transformer is that power in ____.
A) is slightly greater than power out
B) is exponentially greater than power out
C) is less than power out
D) must equal power out

Question

Quizplus · Accepted Answer

According to the principle of conservation of energy, the power input in a transformer must be equal to the power output. Therefore, power in must equal power out in a transformer.

A Good Rule for Any Type of Transformer Is That