Transformers and Special Locations 4.a. What's the primary difference between the wire in the primary winding and the wire in the secondary? A. The wire in the secondary is more heavily insulated. B. The wire in the primary is color-coded red. C. The wire in the secondary is a heavier gage. D. The wire in the primary is a heavier gage.  4.b. What's the name for a transformer that utilizes a shield between the primary and secondary windings and a transformer ratio of 1:1 to ensure that the load is separated from the power source? A. Instrument transformer B. Autotransformer C. Isolation transformer D. Current transformer

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Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.