[单选题]
An ideal transformer has 60 jbu mfn: 7ujflru6)6 z75/fsg turns on its primacy5 m.o 2mz;ue ede-,wry coil and 300 turns on its secondary coil. If 120 V at 2.0 A is applied to the primary, what current is c. e2ey;modmezw5u-, present in the secondary?
A. $0.40 \; A$
B. $2.0 \; A$
C. $4.0 \; A$
D. $10 \; A$
