Engine : Electricity - 590/1386
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| In figure "1" of the diagram shown in the illustration, the three phase step down power transformer has a turns ratio of four to one. If a three-phase 440 volt supply is connected to terminals "A1-B1-C1", what voltage should develop across terminals "A2-B2-C2"? EL-0084 |
| A) 64 volts |
| B) 110 volts |
| C) 190 volts |
| D) 762 volts |
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Illustration EL-0084
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