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What is a set-up transformer?

44. What is a set-up transformer?

1. When the transformer's output voltage exceeds the input voltage, the transformer is referred to as a set-up transformer
2. When the transformer's output voltage lags behind the input voltage, the transformer is referred to as a set-up transformer
3. When the transformer's output voltage is equal to the input voltage, the transformer is referred to as a set-up transformer

Answer: A) When the transformer's output voltage exceeds the input voltage, the transformer is referred to as a set-up transformer.

Explanation:

When the transformer's output voltage exceeds the input voltage, the transformer is referred to as a set-up transformer.