Home » Resistance Resistance: (3 questions) Values of resistors in series and parallel (using two resistors and more). Calculations involving resistor combinations, voltage, current. Internal resistance of cells. Start 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30