Inductors

An *inductor* can be made physically using a coil of wire, and it
stores magnetic flux when a current flows through it. Figure E.2
shows a circuit in which a resistor
is in series with the parallel
combination of a capacitor
and inductor
.

The defining equation of an inductor is

where denotes the inductor's stored magnetic flux at time , is the inductance in

where is the voltage across the inductor in volts. Again, the current is taken to be positive when flowing from plus to minus through the inductor.

Taking the Laplace transform of both sides gives

by the differentiation theorem for Laplace transforms.

Assuming a zero initial current in the inductor at time 0 , we have

Thus, the

[How to cite this work] [Order a printed hardcopy] [Comment on this page via email]

Copyright ©

Center for Computer Research in Music and Acoustics (CCRMA), Stanford University