Assignment:
Discuss alternating current and direct current in following aspects.
(1) How it is created, including descriptions of all components required. Illustrate with labeled diagrams.
(2) A labeled diagram of its waveform.
(3) Magnetic effects.
(4) Typical uses in everyday world.
(5) Typical uses in building services engineering.
Compare alternating and direct current, highlighting the advantages and disadvantages of each.