Everything CCEA students need to know about the alternating current (AC) ... The output of a generator can be represented on an induced current–time graph which is shown below.

This is alternating current or ac. Alternator output on a graph The output of an alternator can be represented on a potential difference-time graph, with potential difference on the vertical axis ...

The electric current was from a 3.34 terahertz (3.34 THz, or 3.34 × 10 12 Hz) electromagnetic wave, which falls at the border between microwave and infrared light; household alternating current ...