The element of an electric hot plate has a resistance of 80Ohms. What is the energy dissipated when the element is kept on for 20...

      

The element of an electric hot plate has a resistance of 80Ohms. What is the energy dissipated when the element is kept on for 20 minutes on a 240V supply

  

Answers


joseph
heat given out =[(v^2)xt]/R
=(240 x240 x 20 x60 )/800
=86400j
joseph rimiru answered the question on October 28, 2017 at 09:35


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