electrical efficiency

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searley

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hi. can anubody help i got this question on efficiency.

3kw wall mounted bathroom heater has an efficiency of 85%.how much power is lost over 2 hours. can any one help and show me how to work this problem out.cheers

 
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hi. can anubody help i got this question on efficiency.3kw wall mounted bathroom heater has an efficiency of 85%.how much power is lost over 2 hours. can any one help and show me how to work this problem out.cheers
It's losing 15% of 3kw

3000 * 0.15 = 450w

450 * 2 hours = 900w lost

Have I missed something?

 

searley

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no that is tops cheers for your help i needed it.thanks again.

 
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It's losing 15% of 3kw3000 * 0.15 = 450w

450 * 2 hours = 900w lost

Have I missed something?
round of applause and a Big smiley face...

Applaud SmileyApplaud SmileyApplaud SmileyApplaud Smiley

:) :) :x

Oh... while you are still on a roll Apache..

have another go at getting the Don to put up another smiley] :)

 
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In the office again.
What`re YOU doing in MY van?????

Get your own, you, you, you.........

"gippo sparky, you" - travelling around the countryside in your sad little trailer.

(wait for it....."it`s not sad")

(It WILL be when I nick the wheels, and flog `em to steptoe, for Hercules` back end - it`s gone, don`t you know.)

 
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