Assume That an Isolation Transformer Has 240 Turns of Wire

question 12

Multiple Choice

Assume that an isolation transformer has 240 turns of wire on the primary and 60 turns of wire on the secondary. This is a ratio of 4:1 (240/60 = 4) . Now assume that 120 V is connected to the primary winding. The voltage of the secondary winding is ____V.

• A) 25
• B) 30
• C) 240
• D) 480

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