Which one of the following statements concerning transformers is false?
A)Their operation makes use of mutual induction.
B)They are an application of Faraday's and Lenz's laws.
C)A transformer can function with either an ac current or a steady dc current.
D)A transformer that steps down the voltage,steps up the current.
E)A transformer that steps up the voltage,steps down the current.

Question

Quizplus · Accepted Answer

A transformer can only function with an alternating current (ac), not a steady direct current (dc). The alternating current creates a changing magnetic field that induces a current in the secondary coil.

Which One of the Following Statements Concerning Transformers Is False