Xref: utzoo sci.electronics:6404 sci.physics:8394 Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!agate!shelby!labrea!siegman@sierra.Stanford.EDU From: siegman@sierra.Stanford.EDU (Anthony E. Siegman) Newsgroups: sci.electronics,sci.physics Subject: Re: Re^2: HV Cap Fun! Message-ID: <147@sierra.stanford.edu> Date: 2 Jun 89 03:55:29 GMT References: <4924@m2c.M2C.ORG> <3806@mit-amt> <20772@quacky.mips.COM> <166@mother.dde.uucp> Sender: siegman@sierra.STANFORD.EDU (Anthony E. Siegman) Reply-To: siegman@sierra.UUCP (Anthony E. Siegman) Organization: Stanford University Lines: 8 This problem is sometimes known as the "Case of the Nefarious Joule Thief". Put a small resistor, or a small inductance, or both, in series with the switch; solve the circuit equations for the transient behavior starting when the switch closes; and examine for physical significance, considering particularly the case when the series R or L tend to zero