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The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8?

8.8 V
88 V
880 V
8,800 V

Correct Answer: 880 V

Explanation:

V2/V1 = N2/N1
Turns ratio = N2/N1 = 8.
V2/110 = 8
V2 = 8 x 110
V2 = 880v.

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