Two Loops of Wire Are Arranged So That a Changing

Multiple Choice

Two loops of wire are arranged so that a changing current in one,the primary,will induce a current in the other,the secondary.The secondary loop has twice as many turns as the primary loop.The current in the primary at this moment is 3 A and increasing.The current in the secondary must be

A) 3 A.
B) 6 A.
C) zero.
D) There is insufficient information to work this problem.