An Engineer Designed a Transformer to Convert 120 V (Rms)

Multiple Choice

An engineer designed a transformer to convert 120 V (rms) to 6.0 V (rms) . The number of turns in the primary is 540, and the secondary current is 610 mA at an output voltage of 6.0 V (rms) .
-​What is the current in the primary?

A) ​30.5 mA
B) ​4.50 mA
C) ​32.8 mA
D) ​136 mA