CapacitiveDC - Capacitive DC Circuits Kirchhoffs laws can...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Capacitive DC Circuits Kirchhoff’s laws can also be used to analyze circuits employing capacitors instead of resistors. This provides good practice with the method since the only significant difference is that it involves charge building up on capacitors rather than current flowing through resistors. Of course, the voltage term IR for resistors must also be replaced by the Q/C for capacitors, but otherwise it is very much the same. For the example circuit below, two arbitrary loops have been added called Q and Q . While these are not really flowing, they perform the usual function of helping us track voltages correctly. As always, it is convenient to place the loops so that they go the same direction through the branch they share. Following the first loop from the lower left corner of the circuit, the path takes us to the negative side of the battery before the positive side, so the voltage change will be -5 . Next comes the 20F capacitor with a charge Q on it, so the term is Q /20 . Finally, the loop
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern