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| Figure 1-9 Expansion and contraction of a magnetic field about a conductor. |

| produces a current, which in turn affects the original current, and which in turn affects the magnetic field around the conductor, thus affecting the whole set up; this finally stabilizes at some point. |

| If the two voltages in the conductor are now combined (as actually they cannot exist separately), the resulting voltage will be different in magnitude and the voltage wave will be displaced somewhat when referred to the wave representing the current flow, or, put another way, it would appear that the current wave now lags the voltage wave (Fig. 1-10). This action prevents the |

| Figure 1-10 Effect of inductance on voltage and current in a conductor (not drawn to scale). |

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