The Primary Coil of a Transformer Has 100 Turns and Its

question 29

Multiple Choice

The primary coil of a transformer has 100 turns and its secondary coil has 400 turns.If the ac voltage applied to the primary coil is 120 V,what voltage is present in its secondary coil?

• A) 100 V
• B) 30 V
• C) 70 V
• D) 480 V
• E) 400 V