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 A single home wall plug can hold how many Watt?

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kai_rel
post Feb 12 2010, 04:05 PM

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From: kl


QUOTE(mcchin @ Feb 12 2010, 03:34 PM)
i would rather have 415v as standard

as W=IV
and where V=IR

so

W= I (IR)

in that order

power will constitute to energy to use as well as in loss

if based on the last formula and calculate for energy loss
with resistant  increases, the power loss is higher
while with current increases
the loss of power is even greater

so by using bigger voltage, the current is lower hence less loss being effected
*
reducing power loss depend more on the appliances efficiency converting the supplied energy into work to be done. bigger voltage less loss is used for electrical power transmission lah my friend

plus where can you get household appliances that run on 415V on the first hand.

 

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