[单选题]
The primary of a transformer has 42migjtu tqheq) ;; q*100 turns and its secondary has 200 turns. If ij ;*m4uttgq qe q2;)h(wbm2s66q 0 ia5n f0kulx8k crthe input curbscn (mxk2q068iu w0l5kfr a6rent at the primary is 100 A, we can expect the output current at the secondary to be
A. 50 A.
B. 100 A.
C. 200 A.
D. none of the given answers
