Homework Help: Physics

Posted by Luke on Friday, July 27, 2012 at 6:57pm.

A)What is the equation for equivalent resistance for resistors wired in series? What about series wiring makes resistors in series add the way they do?

B)What is the equation for capacitors wired in parallel? What about parallel wiring makes capacitors add the way they do?

I know what the equations are for both, but I'm not sure why they are that. For B, I think it might have something to do with the charge of a capacitor being directly proportional to the capacitance, but I don't really know. And for A, I don't have any ideas.

Physics - Damon, Friday, July 27, 2012 at 7:04pm
A) add the resistance if in series.
The electricity has to squeeze through one then the next.

B) Capacitance is charge per unit voltage. In parallel each holds charge while both have the same total voltage so there is more charge stored per volts so the capacitances add.

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