I read in !emc-pstc that POWELL, DOUG <[email protected]> wrote (in <B44016F6854CD511A6470003476B45E438267D@FTCEXC01>) about 'Shield Room Lighting' on Thu, 31 Oct 2002: >Coupled with this, tungsten experiences a fairly high in-rush >current owing to it's very dynamic negative temperature coefficient.
Positive, not negative. And it's not all that 'dynamic'. It's the very high 'hot' temperature that makes the change in resistance very large. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
