Lab circuitos.

Data tables
primary voltage [v] | secondary voltage [v] |
| Va | Vb | Vc | Vd |
131.3 | 11 | 7.3 | 7.3 | 11 |

voltage of the four resistors inparallel secondary voltage of 18.3 V |
Resistance [Ω] | Voltage [v] |
1 | 3.89 | 18.3 |
2 | 3.91 | 18.3 |
3 | 3.93 | 18.3 |
4 |3.9 | 18.3 |

transformer as an autotransformer connected in series additive |
primary voltage [v] | secondary voltage [v] |
| VA | VB | VN | VC | VD |130.8 | 130.8 | 134.6 | 141.6 | 149.2 | 152.9 |

voltage of the four resistors in parallel fed by the side of the transformer 120 |Resistance [Ω] | Voltage [v] |
1 | 3.89 | 151.2 |
2 | 3.91 | 151.3 |
3 | 3.93 | 151.3 |
4 | 3.9 | 150.8 |

transformer as anautotransformer connected in series subtractive |
primary voltage [v] | secondary voltage [v] |
| VA | VB | VN | VC |
129.9 | 107.8 | 111.4 | 118.7 | 149.2 |

voltage of thefour resistors in parallel fed by the side of the transformer 120 |
Resistance [Ω] | Voltage [v] |
1 | 3.89 | 125.2 |
2 | 3.91 | 125.1 |
3| 3.93 | 125.2 |
4 | 3.9 | 125 |

measured voltages of the circuit in Figure 4 |
Primary voltaje | VR10 | VR100 | VR180 | VR390 | VR2.7 |
120.5 |3.6 | 18.7 | 48.5 | 97.6 | 78.1 |
Secondary voltage | | | | | |
19.8 | | | | | |

measured voltages of the circuit of Figure 6 |
Primaryvoltaje | VR10 | VR558 | VR548 | VR179.7 | VR406 |
114.3 | 1.4 | 48.6 | 49.6 | 18.9 | 18.8 |
Secondary voltage | | | | | |
16.4 | | | | | |