What is the equivalent resistor between the terminals a and bif you replace R1 by 24 Ohm and R2 by 21 Ohm? This combination of resistors goes to infinity by repeating itself. Ex: Resistors : Copycat connection-3 ab Reg = ? nab obser vation : Rea cd Rea R2 R2 -W- -w- R, d R,