Free Translator Free Translator
Translators Dictionaries Courses Other
Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Contact arm   /kˈɑntˌækt ɑrm/   Listen
Contact arm

noun
1.
Contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet.  Synonyms: wiper, wiper arm.






WordNet 3.0 © 2010 Princeton University








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |





"Contact arm" Quotes from Famous Books



... battery circuit so that the current flowing through the filament can be controlled to a nicety. The rheostat consists of an insulating and a heat resisting form on which is wound a number of turns of resistance wire. A movable contact arm that slides over and presses on the turns of wire is fixed to the knob on top of the rheostat. A rheostat that has a resistance of 6 ohms and a current carrying capacity of 1.5 amperes which can be mounted on a panel board is the right kind to use. It is shown at A and B in ...
— The Radio Amateur's Hand Book • A. Frederick Collins

... segments must be filled in flush with some non-conducting material, such as fibre, vulcanite, or sealing-wax; and be very slightly wider than the end of the contact arm, so that two segments may not be in circuit simultaneously. In certain positions of the vane no contact will be made, but, as the vane is motionless only when there is no wind or none to speak of, this is ...
— Things To Make • Archibald Williams



Copyright © 2024 Free-Translator.com