[单选题]
The primary of a tral8vw ri)iz+ -ui95py 6ut8npt zd3( wsh8fv- dnsformer has 100 turns and its secondary has 200 turns. If the input current at the primary is 100 A, we can expect the output current at the seczv is y88pddpnuhf39-5 t t(w6ondary to be
A. 50 A.
B. 100 A.
C. 200 A.
D. none of the given answers