Engine_2014 : Electricity - 1298/2299
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| The turns ratio of the tapped step down transformer shown in figure "C" of the illustration is four to one and all taps are evenly spaced. If 120 volts were applied to terminals 'H1' and 'H3', what would appear at 'X1' and 'X2'? |
| A) 15 volts |
| B) 30 volts |
| C) 480 volts |
| D) 960 volts |
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