Tell us about yourself!
In parallel, the equivalent impedance (resistance) is given by this formula : Req = (sum of R^-1)^-1 .Two 10 Ohms in parallel will be equivalent to a single 5 Ohms resistor.
DIY Lab Bench Power Supply
How to Make a Three Axis CNC Machine (Cheaply and Easily)
how do I do if I want to do stereo, while having only one potentiometer for both channel Left and channel right (I did the circuit twice basically)