Resistors are in parallel if their terminals are connected to the same two nodes. The equivalent overall parallel resistance is smaller than the smallest parallel resistor.

Created by Willy McAllister.


Circuit sandbox: (copy and paste this whole link into a web browser)

http://spinningnumbers.org/circuit-sandbox/index.html?value=[[“w”,[232,176,184,176]],[“w”,[128,176,184,176]],[“g”,[184,176,0],{“json“:2},[“0”]],[“w”,[128,128,128,176]],[“w”,[128,32,232,32]],[“w”,[128,80,128,32]],[“r”,[264,80,0],{“name”:”R2”,”r”:”60”,”json“:6},[“1”,”0”]],[“r”,[200,80,0],{“name”:”R1”,”r”:”20”,”json“:7},[“1”,”0”]],[“v”,[128,80,0],{“name”:”Vbat”,”value”:”dc(3)”,”json“:8},[“2”,”0”]],[“w”,[264,128,264,152]],[“w”,[232,152,264,152]],[“w”,[200,128,200,152]],[“w”,[200,152,232,152]],[“w”,[232,152,232,176]],[“w”,[200,80,200,56]],[“w”,[200,56,232,56]],[“w”,[232,56,264,56]],[“w”,[264,56,264,80]],[“a”,[232,40,1],{“color”:”magenta”,”offset”:”0”,”json“:18},[“2”,”1”]],[“w”,[232,32,232,40]]]