A 20 kVA closet transformer located inside a building is used to step down the voltage for

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A 20 kVA closet transformer located inside a building is used to step down the voltage for the building. It is connected to a primary 4800 V AC power source. The ratio of the number of primary windings to the number of secondary windings on the transformer is 20 to 1 and 40 to 1.
a. Approximate the secondary voltage provided.
b. Approximate the current available, in amps.

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