Resistor Combinations Impossibility · PhysicsBowl 2021 #27

Physics · electromagnetism

Problem

You are given three 6-ohm resistors. Neglecting the resistance of any connecting wires, which of the following resistances CANNOT be made using one or more of these resistors? A) 2 ohms B) 3 ohms C) 9 ohms D) 12 ohms E) 15 ohms

Browse the problem library