Passive Membrane Decay Passive-decay rate ,>0 scales the rate to the membrane's resting potential. ● xi=-AjXi solution x,(t)=x,(0)e4 Passive-decay rate measures:the cell membrane's resistance or "friction"to current flow. 2002.10.82002.10.8 Passive Membrane Decay Passive-decay rate Ai 0 scales the rate to the membrane’s resting potential. solution : Passive-decay rate measures: the cell membrane’s resistance or “friction” to current flow. i i i x = −A x • A t i i i x t x e − ( )= (0)