Two Loops of Wire Are Arranged So That a Changing

question 28

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.As long as the current in the primary is steady at 3 A,the current in the secondary will be:

• A) 3 A.
• B) 6 A.
• C) 1.5 A.
• D) zero.