BBC News, 16 September 2005 | |
---|---|
, The Physics Hypertextbook, Retrieved 4-4-2017 | , The Physics Hypertextbook, Retrieved 4-4-2017 |
, Houston TeacherTECH Archives , Retrieved 19-3-2017.
1, The Physics Hypertextbook, Retrieved 4-4-2017 | Halliday, David; Robert Resnick; Kenneth S |
---|---|
Alexander Russell, A Treatise on the Theory of Alternating Currents | ] University press, 1905 Cambridge physical series |
, The Physics Hypertextbook, Retrieved 4-4-2017.
3.
4