http://physics.mercer.edu/labs/manuals/manualEMlab/RCcircuits.pdf - RCcircuits.pdfhttp://www.phys.ufl.edu/courses/phy2054/s09/lectures/2054_ch21A.pdfhttp://webpages.ursinus.edu/lriley/ref/circuits/node3.html - RL, RC, and RLC Circuitshttp://www.foothill.edu/~marasco/labfive/ - RC Time Constanthttp://spiff.rit.edu/classes/phys213/lectures/rc/rc_long.html - Capacitors and RC Circuitshttp://bowlesphysics.com/images/AP_Physics_C_-_RC_Circuits.pdf