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Transformers - Engineering

Q1:

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

A 8.8 V

B 88 V

C 880 V

D 8,800 V

ANS:C - 880 V

V2/V1 = N2/N1

Turns ratio = N2/N1 = 8.

V2/110 = 8

V2 = 8 x 110

V2 = 880v.