The output of an alternator can be represented on a voltage–time graph, with potential difference (voltage) on the vertical axis and time on the horizontal axis. A – The coil is at 0°. The ...

Alternating current On a voltage-time graph, this would appear as a curve alternating between positive and negative voltages - the positive and negative values indicate the direction of current flow.

There are at least two different ways to measure voltage and time on an oscilloscope. First we’ll cover the important skill of being able to estimate voltage or time by reading the display (or ...