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Help with resistance problem

  1. Apr 11, 2014 #1
    1. The problem statement, all variables and given/known data

    An electric iron labelled "240V,2kW".
    Find the resistance in the electric iron.


    2. Relevant equations

    P=V^2/R

    R=V^2/P

    3. The attempt at a solution

    R=240^2/2000=28.8 ohm
     
  2. jcsd
  3. Apr 11, 2014 #2

    berkeman

    User Avatar

    Staff: Mentor

    Looks right to me. :smile:
     
  4. Apr 11, 2014 #3
    however the ans given is 48 ohm
     
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