Which of the following would be used to calculate transformer turns ratio?
- Secondary turns / primary turns.
- Primary turns * secondary turns.
- Primary turns / secondary turns.
Explanation
The transformation ratio used to find the output is secondary turns divided by primary turns, since Vs = Vp x (Ns/Np). Multiplying the turns together has no physical meaning, and primary divided by secondary would give the inverse ratio, predicting the opposite of the actual voltage change.
sasna asking:
transformer ratio and turn ratio are reciprocal...???
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