Engine_2014 : Electricity - 1299/2299
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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 the taps are equally spaced. If 120 volts was measured across the secondary between 'X1' and 'X2', what voltage must be applied across 'H1' and 'H4'? |
| A) 30 volts |
| B) 120 volts |
| C) 480 volts |
| D) 1440 volts |
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