An electric heater running on 240 V mains has a current of 2.5 A. (a) What is its power rating? (b) What is the resistance...

      

An electric heater running on 240 V mains has a current of 2.5 A. (a) What is its power rating? (b) What is the resistance of its element?

  

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Mutiso
a) Power = V I = 240 × 2.5 = 600 W. Rating is 600 W, 240 V.
b) Power = V / R = 600 W. R = V / I. R = 240 / 2.5 = 96${\Omega}$.
Mutiso answered the question on October 16, 2018 at 18:06


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