7. A transformer was tested under load and was found to deliver 62 amp at 228 volts when the primary current measured 3.2 amp. Calculate: (a) the primary input voltage; (b) the ratio of transformation.

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7. A transformer was tested under load and was found to deliver 62 amp at 228 volts
when the primary current measured 3.2 amp.
voltage; (b) the ratio of transformation.
Calculate: (a) the primary input
Transcribed Image Text:7. A transformer was tested under load and was found to deliver 62 amp at 228 volts when the primary current measured 3.2 amp. voltage; (b) the ratio of transformation. Calculate: (a) the primary input
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