An Ideal Step-Up Transformer Doubles a Primary Voltage of 110

question 7

Multiple Choice

An ideal step-up transformer doubles a primary voltage of 110 V.What is the ratio of the number of turns in its primary coil to the number of turns in the secondary coil?

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

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