Shocking facts about electricity

Vocabulary frequency how often something repeats; electrical current frequency is the number of times a wave repeats a positive-to-negative cycle synchronous occurring together at the same time, place or rate a bit of a pickle informal expression meaning a difficult situation with no obvious answer charge up get the power needed to work; recharge anomalies differences from what is usual or expected solid state electronics using semiconductors which have no moving parts and can automatically convert different electrical currents