m5e6deebmeiszu m5e6deebmeiszu
  • 25-10-2016
  • Chemistry
contestada

The heating element of an electric dryer is rated at 4.1 kw when connected to a 240-v line.

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Аноним Аноним
  • 02-11-2016
Thank you for posting your question here. You just provide a situation, I assume below are the questions:

1. What is the current in the heating element? 

2.What is the resistance of the dryer's heating element at its operating temperature?

Below are the answers:

1. P = V∙I  
I = P/V = 4100 W / 240 V = 17.08 A 

2. Ohm's law: 
V = R∙I 
R = V/I = 240 V / 17.083 A = 14.05 Ω
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