ballast lamp
ballast lamp
[′bal·əst ‚lamp] (electricity)
A light-producing electrical resistance device which maintains nearly constant current by increasing in resistance as the current increases.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Ballast Luminous Efficiency = (Total test
ballast lamp arc power/Ballast input power)x?
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