discussion_09

Mon Jul 16 15:03:04 CDT 2012

Ampere's Law

[\oint \vec B \cdot d \vec l = \mu_0 I]

Faraday's Law

[\Phi_B = \int \vec B \cdot d \vec A]

[\varepsilon_{emf} = - \frac{ d \Phi_B}{ d t}]

L Circuits

For an inductor

[V = L \frac{ d I}{ d t}]

[L = \frac{ \Phi_B}{ I}]

[U = \frac{ 1}{ 2} L I^2]