Xref: utzoo sci.electronics:7966 sci.physics:9816 Path: utzoo!attcan!uunet!ginosko!gem.mps.ohio-state.edu!tut.cis.ohio-state.edu!ucsd!ogccse!orstcs!guille!liud From: liud@guille.ece.orst.edu (Dongtai Liu) Newsgroups: sci.electronics,sci.physics Subject: Re: A violation of the law of conservation of energy Keywords: paradox Message-ID: <12649@orstcs.CS.ORST.EDU> Date: 27 Sep 89 17:25:19 GMT References: <318@massey.ac.nz> Sender: usenet@orstcs.CS.ORST.EDU Reply-To: liud@guille.ECE.ORST.EDU (Dongtai Liu) Organization: Oregon State University, E&CE, Corvallis Lines: 7 I once had a similar example that puzzled me for some time. My circuit consistedof two capacitors and a switch. One capacitor has initial voltage and the other has no. the swith is then closed and the voltage on both capacitors becomes 1/2 of the initial voltage on the first capacitor (remember, v is proportioanl to q/c, since q=cont, c=twice as much, v->1/2 as much). conservation law seems to be violated again, since E=0.5*C*V*V, there is only 50% energy left in this simple system. I know the answer; but I would like to give you a clue first. When you close theswitch (or let R=0 in your circuit and connect the battery), wouldn't you hear a click from a radio nearby?r