>----- Original Message ----- >From: "Michael Rigby-Jones" > >> >> You can only change current by changing voltage or resiatnce, as per >> Ohms law! A bench supply in constant current mode simply adjusts >> voltage to achieve the desired current through an arbitrary >resistance >-----Original Message----- >From: Robert B. [mailto:piclist@NERDULATOR.NET] >Sent: 16 April 2004 16:09 >To: PICLIST@MITVMA.MIT.EDU >Subject: Re: [EE]: Why isn't Ohm's Law written I=V/R? > > >On the other hand, a bench supply in constant voltage mode >simply adjusts current to keep the voltage level approximately >stationary. I think this is more the point that he is missing. > No it does not. In constant voltage mode, the only thing that can adjust the current flowing is the resistance connected. A PSU cannot magicaly alter current into a fixed resiatnce without changing it's voltage. Regards Mike ======================================================================= This e-mail is intended for the person it is addressed to only. The information contained in it may be confidential and/or protected by law. If you are not the intended recipient of this message, you must not make any use of this information, or copy or show it to any person. Please contact us immediately to tell us that you have received this e-mail, and return the original to us. Any use, forwarding, printing or copying of this message is strictly prohibited. No part of this message can be considered a request for goods or services. ======================================================================= Any questions about Bookham's E-Mail service should be directed to postmaster@bookham.com. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads