10kw shower

[seagullsy]

what would the current drawn by a 10kw shower be? at 230v

thanks

 

[leeco]

thats a tricky 1

 

[17thman]

P=VI

 

[Cremeegg]

Why don't you follow the advice given to many of your previous many questions.

Get a few books, read and learn. College should be able to point you in the right direction and will doubtless have a few copies in their library.

Getting well meaning individuals on a DIY forum to do all your homework for you does you no good in the long run. The internet has a lot to answer for.

From what I have seen already I'd agree with several others that electricity is not for you.

 

[Markey]

what would the current drawn by a 10kw shower be? at 230v

thanks

seagullsy see here for answer

 

[leeco]

 

[Chri5]

what would the current drawn by a 10kw shower be? at 230v

thanks

seagullsy see here for answer

 

[17thman]

 

[GaryMo]

P=VI

Not necessarily - if the shower is rated for 10kW at 240v and the OP wants to know the current draw at 230v, as per his question.

 

[Steve]

Well he can work them both out with that equation.

 

[GaryMo]

Well he can work them both out with that equation.

How would you work out resistance with P=VI ? You'll need another - V=IR for that one....

It's not as straight forward as it first looks with fixed resistive loads, especially to a beginner.

 

[Steve]

Where did he ask for resistance?

He wanted to know the current drawn.

 

[JonoPashley]

http://www.amazon.co.uk/Electrical-...=sr_1_4?ie=UTF8&s=books&qid=1235666964&sr=1-4

Not yet updated to 17th but has most calculations in it.

http://www.amazon.co.uk/Basic-Elect...=sr_1_2?ie=UTF8&s=books&qid=1235666964&sr=1-2

http://www.amazon.co.uk/IEE-site-Guide-7671-Regulations/dp/0863418546/ref=pd_sim_b_njs_1

http://www.amazon.co.uk/Electrical-...cate-Student/dp/0435401092/ref=pd_sim_b_njs_5

http://www.swindon-massive.co.uk/electrical/revision/2360pt1/assessment_choices.html <-- Great Website

 

[GaryMo]

Where did he ask for resistance?

He wanted to know the current drawn.

If the shower is rated for 10kW at 240v and he wants to know the current draw at 230v, how would you work that out without first working out the resistance of the element?

 

[JonoPashley]

39.65A if it was connected to a 230v supply

10000/240=41.67A - W/V = I

10000/41.67 squared=5.8 ohms - W/I squared = R

230 squared/5.8=9120.69W - V squared/R = W

9120.69/230=39.65A - W/V = I

Untitled

• JonoPashley
• 26 Feb 2009
• 1