[单选题]
5.0 A at 110 V flows in the p*f wvz0;ks yw/d;+ot :jq4vst rimary of a transformer. Assuming 100% efficiepk- -m +tsb:c*btio f9ncy, how many amps at 24 V can flow in9+ c -sbt-fkp*:mbito the secondary?
A. $1.1 \; A$
B. $4.6 \; A$
C. $5.0 \; A$
D. $23 \; A$
