Electricity & Magnetism Definitions Flashcards
1
Q
electric current
A
the charge passing a point per unit time
2
Q
electromotive force (e.m.f.)
A
the electrical work done by a source in moving a unit charge around a complete circuit
3
Q
potential difference (p.d.)
A
the work done by a unit charge passing through a component
4
Q
kilowatt-hour (kWh)
A
unit of energy where 1000W of power is used in 1 hour
