How do you use turns ratio to find volts current impedance?

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The transformer turns ratio is the ratio of primary turns to secondary turns. An example is a 10 to 1 turns ratio. If you put 120 volts across the primary of a transformer with a 10 to 1 turns ratio you will get 12 volts across the secondary. 120/10 = 12.

if N1 is the turns in primary and N2 is the turns in secondary.

then, Turns ratio=N2/N1.

it is more than 1 for step up transformers&less than 1 for step down transformers.

First answer by Teach dude2001. Last edit by Mmaheshmk. Contributor trust: 8 [recommend contributor]. Question popularity: 122 [recommend question]

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