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power block
power brake
power broker
power centre
power cut
power dive
power down
power dressing
power factor
power forward
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power factor
pow·er fac·tor (plural pow·er fac·tors)


noun 
Definition:
 
ratio of power dissipated over input: the ratio of the actual power dissipated in an electrical system to the input power of volts multiplied by amps
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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