Concept Map

Concept Trailer

Key Terms

electric generator

a device for converting mechanical work into electric energy; it induces an emf by rotating a coil in a magnetic field

electromagnetic induction

the process of inducing an emf (voltage) with a change in magnetic flux

henry

the unit of inductance; 1H=1Ω⋅s

inductance

a property of a device describing how efficient it is at inducing emf in another device

induction

(magnetic induction) the creation of emfs and hence currents by magnetic fields

transformer

a device that transforms voltages from one value to another using induction

More terms can be found in the textbook, chapter 23.