The Primary Coil of an Ideal Transformer Has 100 Turns

question 12

Multiple Choice

The primary coil of an ideal transformer has 100 turns and its secondary coil has 400 turns.If the ac current in the secondary coil is 2 A,what is the current in its primary coil?

• A)2 A
• B)8 A
• C)1/2 A
• D)1/4 A
• E)4 A